int ONE = 0;
  int TWO = 0;
  int THREE = 0;
  int FOUR = 0;
  int FIVE = 0;
  int SIX = 0;
  int SEVEN = 0;
  int EIGHT = 0;
  int NINE = 0;
  int q = 0;
  int time = 0;

void setup() {
  q = 1;
  pinMode(2, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(6, OUTPUT);
  pinMode(7, OUTPUT);
  pinMode(A0, INPUT);
  ONE = 1;
  TWO = 1;
  THREE = 1;
  FOUR = 1;
  FIVE = 1;
  SIX = 1;
  SEVEN = 1;
  EIGHT = 1;
  NINE = 1;
  delay (1);
  ONE = 0;
  TWO = 0;
  THREE = 0;
  FOUR = 0;
  FIVE = 0;
  SIX = 0;
  SEVEN = 0;
  EIGHT = 0;
  NINE = 0;
  digitalWrite(2, HIGH);
  digitalWrite(3, HIGH);
  digitalWrite(4, HIGH);
  digitalWrite(5, LOW);
  digitalWrite(6, LOW);
  digitalWrite(7, LOW);
  delay(1000);
  digitalWrite(2, LOW);
  digitalWrite(3, LOW);
  digitalWrite(4, LOW);
  digitalWrite(5, LOW);
  digitalWrite(6, LOW);
  digitalWrite(7, LOW);
}

void loop() {
  time += 5;
  if (q == 1 && time >= 1000) {
    //1st number
    ONE = 0;
    TWO = 0;
    THREE = 1;
    FOUR = 0;
    FIVE = 0;
    SIX = 0;
    SEVEN = 0;
    EIGHT = 0;
    NINE = 0;
    //
    q = 2;
  } else {
    if (q == 2 && time >= 2000) {
      //2nd number
      ONE = 1;
      TWO = 0;
      THREE = 0;
      FOUR = 0;
      FIVE = 0;
      SIX = 0;
      SEVEN = 0;
      EIGHT = 0;
      NINE = 0;
      //
      q = 3;
    } else {
      if (q == 3 && time >= 3000) {
        //3rd number
        ONE = 0;
        TWO = 0;
        THREE = 0;
        FOUR = 1;
        FIVE = 0;
        SIX = 0;
        SEVEN = 0;
        EIGHT = 0;
        NINE = 0;
        //
        q = 4;
      } else {
        if (q == 4 && time >= 4000) {
          //4th number
          ONE = 1;
          TWO = 0;
          THREE = 0;
          FOUR = 0;
          FIVE = 0;
          SIX = 0;
          SEVEN = 0;
          EIGHT = 0;
          NINE = 0;
          //
          q = 5;
        } else {
          if (q == 5 && time >= 5000) {
            //5th number
            ONE = 0;
            TWO = 0;
            THREE = 0;
            FOUR = 0;
            FIVE = 1;
            SIX = 0;
            SEVEN = 0;
            EIGHT = 0;
            NINE = 0;
            //
            q = 6;
          } else {
            if (q == 6 && time >= 6000) {
              //6th number
              ONE = 0;
              TWO = 0;
              THREE = 0;
              FOUR = 0;
              FIVE = 0;
              SIX = 0;
              SEVEN = 0;
              EIGHT = 0;
              NINE = 1;
              //
              q = 7;
            } else {
              if (q == 7 && time >= 7000) {
                //7th number
                ONE = 0;
                TWO = 1;
                THREE = 0;
                FOUR = 0;
                FIVE = 0;
                SIX = 0;
                SEVEN = 0;
                EIGHT = 0;
                NINE = 0;
                //
                q = 8;
              } else {
                if (q == 8 && time >= 8000) {
                  //8th number
                  ONE = 0;
                  TWO = 0;
                  THREE = 0;
                  FOUR = 0;
                  FIVE = 0;
                  SIX = 1;
                  SEVEN = 0;
                  EIGHT = 0;
                  NINE = 0;
                  //
                  q = 9;
                } else {
                  if (q == 9 && time >= 9000) {
                    //9th number
                    ONE = 0;
                    TWO = 0;
                    THREE = 0;
                    FOUR = 0;
                    FIVE = 1;
                    SIX = 0;
                    SEVEN = 0;
                    EIGHT = 0;
                    NINE = 0;
                    //
                    q = 10;
                  } else {
                    if (q == 10 && time >= 10000) {
                      //10th number
                      ONE = 0;
                      TWO = 0;
                      THREE = 1;
                      FOUR = 0;
                      FIVE = 0;
                      SIX = 0;
                      SEVEN = 0;
                      EIGHT = 0;
                      NINE = 0;
                      //
                      q = 11;
                    } else {
                      if (q == 11 && time >= 11000) {
                        //11th number
                        ONE = 0;
                        TWO = 0;
                        THREE = 0;
                        FOUR = 0;
                        FIVE = 1;
                        SIX = 0;
                        SEVEN = 0;
                        EIGHT = 0;
                        NINE = 0;
                        //
                        q = 12;
                      } else {
                        if (q == 12 && time >= 12000) {
                          //12th number
                          ONE = 0;
                          TWO = 0;
                          THREE = 0;
                          FOUR = 0;
                          FIVE = 0;
                          SIX = 0;
                          SEVEN = 0;
                          EIGHT = 1;
                          NINE = 0;
                          //
                          q = 13;
                        } else {
                          if (q == 13 && time >= 13000) {
                            //13th number
                            ONE = 0;
                            TWO = 0;
                            THREE = 0;
                            FOUR = 0;
                            FIVE = 0;
                            SIX = 0;
                            SEVEN = 0;
                            EIGHT = 0;
                            NINE = 1;
                            //
                            q = 14;
                          } else {
                            if (q == 14 && time >= 14000) {
                              //14th number
                              ONE = 0;
                              TWO = 0;
                              THREE = 0;
                              FOUR = 0;
                              FIVE = 0;
                              SIX = 0;
                              SEVEN = 1;
                              EIGHT = 0;
                              NINE = 0;
                              //
                              q = 15;
                            } else {
                              if (q == 15 && time >= 15000) {
                                //15th number
                                ONE = 0;
                                TWO = 0;
                                THREE = 0;
                                FOUR = 0;
                                FIVE = 0;
                                SIX = 0;
                                SEVEN = 0;
                                EIGHT = 0;
                                NINE = 1;
                                //
                                q = 16;
                              } else {
                                if (q == 16 && time >= 16000) {
                                  //16th number
                                  ONE = 0;
                                  TWO = 0;
                                  THREE = 1;
                                  FOUR = 0;
                                  FIVE = 0;
                                  SIX = 0;
                                  SEVEN = 0;
                                  EIGHT = 0;
                                  NINE = 0;
                                  //
                                  q = 17;
                                } else {
                                  if (q == 17 && time >= 17000) {
                                    //17th number
                                    ONE = 0;
                                    TWO = 1;
                                    THREE = 0;
                                    FOUR = 0;
                                    FIVE = 0;
                                    SIX = 0;
                                    SEVEN = 0;
                                    EIGHT = 0;
                                    NINE = 0;
                                    //
                                    q = 18;
                                  } else {
                                    if (q == 18 && time >= 18000) {
                                      //18th number
                                      ONE = 0;
                                      TWO = 0;
                                      THREE = 1;
                                      FOUR = 0;
                                      FIVE = 0;
                                      SIX = 0;
                                      SEVEN = 0;
                                      EIGHT = 0;
                                      NINE = 0;
                                      //
                                      q = 19;
                                    } else {
                                      if (q == 19 && time >= 19000) {
                                        //19th number
                                        ONE = 0;
                                        TWO = 0;
                                        THREE = 0;
                                        FOUR = 0;
                                        FIVE = 0;
                                        SIX = 0;
                                        SEVEN = 0;
                                        EIGHT = 1;
                                        NINE = 0;
                                        //
                                        q = 20;
                                      } else {
                                        if (q == 20 && time >= 20000) {
                                          //20th number
                                          ONE = 0;
                                          TWO = 0;
                                          THREE = 0;
                                          FOUR = 1;
                                          FIVE = 0;
                                          SIX = 0;
                                          SEVEN = 0;
                                          EIGHT = 0;
                                          NINE = 0;
                                          //
                                          q = 21;
                                        } else {
                                          if (q == 21 && time >= 21000) {
                                            //21th number
                                            ONE = 0;
                                            TWO = 0;
                                            THREE = 0;
                                            FOUR = 0;
                                            FIVE = 0;
                                            SIX = 1;
                                            SEVEN = 0;
                                            EIGHT = 0;
                                            NINE = 0;
                                            //
                                            q = 22;
                                          } else {
                                            if (q == 22 && time >= 22000) {
                                              //22th number
                                              ONE = 0;
                                              TWO = 1;
                                              THREE = 0;
                                              FOUR = 0;
                                              FIVE = 0;
                                              SIX = 0;
                                              SEVEN = 0;
                                              EIGHT = 0;
                                              NINE = 0;
                                              //
                                              q = 1;
                                              time = 0;
                                            }
                                          }
                                        }
                                      }
                                    }
                                  }
                                }
                              }
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
            }
          }
        }
      }
    }
  }
  //1
  if (ONE == 1) {
    digitalWrite(2, LOW);
    digitalWrite(3, LOW);
    digitalWrite(4, HIGH);
    digitalWrite(5, LOW);
    digitalWrite(6, HIGH);
    digitalWrite(7, HIGH);
  }
  //2
  if (TWO == 1) {
    digitalWrite(2, LOW);
    digitalWrite(3, HIGH);
    digitalWrite(4, LOW);
    digitalWrite(5, LOW);
    digitalWrite(6, HIGH);
    digitalWrite(7, HIGH);
  }
  //3
  if (THREE == 1) {
    digitalWrite(2, HIGH);
    digitalWrite(3, LOW);
    digitalWrite(4, LOW);
    digitalWrite(5, LOW);
    digitalWrite(6, HIGH);
    digitalWrite(7, HIGH);
  }
  //4
  if (FOUR == 1) {
    digitalWrite(2, LOW);
    digitalWrite(3, LOW);
    digitalWrite(4, HIGH);
    digitalWrite(5, HIGH);
    digitalWrite(6, LOW);
    digitalWrite(7, HIGH);
  }
  //5
  if (FIVE == 1) {
    digitalWrite(2, LOW);
    digitalWrite(3, HIGH);
    digitalWrite(4, LOW);
    digitalWrite(5, HIGH);
    digitalWrite(6, LOW);
    digitalWrite(7, HIGH);
  }
  //6
  if (SIX == 1) {
    digitalWrite(2, HIGH);
    digitalWrite(3, LOW);
    digitalWrite(4, LOW);
    digitalWrite(5, HIGH);
    digitalWrite(6, LOW);
    digitalWrite(7, HIGH);
  }
  //7
  if (SEVEN == 1) {
    digitalWrite(2, LOW);
    digitalWrite(3, LOW);
    digitalWrite(4, HIGH);
    digitalWrite(5, HIGH);
    digitalWrite(6, HIGH);
    digitalWrite(7, LOW);
  }
  //8
  if (EIGHT == 1) {
    digitalWrite(2, LOW);
    digitalWrite(3, HIGH);
    digitalWrite(4, LOW);
    digitalWrite(5, HIGH);
    digitalWrite(6, HIGH);
    digitalWrite(7, LOW);
  }
  //9
  if (NINE == 1) {
    digitalWrite(2, HIGH);
    digitalWrite(3, LOW);
    digitalWrite(4, LOW);
    digitalWrite(5, HIGH);
    digitalWrite(6, HIGH);
    digitalWrite(7, LOW);
  }
  delayMicroseconds(3000);
}