//initializing:
#define topLEDs 13
#define rightTopLEDs 12
#define rightBottomLEDs 11
#define bottomLEDs 10
#define leftBottomLEDs 9
#define leftTopLEDs 8
#define middleLEDs 7

void setup() {
  // put your setup code here, to run once:
  pinMode(topLEDs, OUTPUT);
  pinMode(rightTopLEDs, OUTPUT);
  pinMode(rightBottomLEDs, OUTPUT);
  pinMode(bottomLEDs, OUTPUT);
  pinMode(leftBottomLEDs, OUTPUT);
  pinMode(leftTopLEDs, OUTPUT);
  pinMode(middleLEDs, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  int i = 0;
  while (i < 10){
    if (i == 0){
      digitZero();
    }
    else if (i == 1){
      digitOne();
    }
    else if (i == 2){
      digitTwo();
    }
    else if (i == 3){
      digitThree();
    }
    else if (i == 4){
      digitFour();
    }
    else if (i == 5){
      digitFive();
    }
    else if (i == 6){
      digitSix();
    }
    else if (i == 7){
      digitSeven();
    }
    else if (i == 8){
      digitEight();
    }
    else{
      digitNine();
    }
    i = i + 1;
    delay(950);
    digitOff();
    delay(50);
  }
}

void digitZero(){
  digitalWrite(topLEDs, HIGH);
  digitalWrite(rightTopLEDs, HIGH);
  digitalWrite(leftBottomLEDs, HIGH);
  digitalWrite(bottomLEDs, HIGH);
  digitalWrite(rightBottomLEDs, HIGH);
  digitalWrite(leftTopLEDs, HIGH);
}
void digitOne(){
  digitalWrite(rightTopLEDs, HIGH);
  digitalWrite(rightBottomLEDs, HIGH);
}
void digitTwo(){
  digitalWrite(topLEDs, HIGH);
  digitalWrite(rightTopLEDs, HIGH);
  digitalWrite(middleLEDs, HIGH);
  digitalWrite(leftBottomLEDs, HIGH);
  digitalWrite(bottomLEDs, HIGH);
}
void digitThree(){
  digitalWrite(topLEDs, HIGH);
  digitalWrite(rightTopLEDs, HIGH);
  digitalWrite(middleLEDs, HIGH);
  digitalWrite(rightBottomLEDs, HIGH);
  digitalWrite(bottomLEDs, HIGH);
}
void digitFour(){
  digitalWrite(leftTopLEDs, HIGH);
  digitalWrite(middleLEDs, HIGH);
  digitalWrite(rightTopLEDs, HIGH);
  digitalWrite(rightBottomLEDs, HIGH);
}
void digitFive(){
  digitalWrite(topLEDs, HIGH);
  digitalWrite(leftTopLEDs, HIGH);
  digitalWrite(middleLEDs, HIGH);
  digitalWrite(rightBottomLEDs, HIGH);
  digitalWrite(bottomLEDs, HIGH);
}
void digitSix(){
  digitalWrite(topLEDs, HIGH);
  digitalWrite(leftTopLEDs, HIGH);
  digitalWrite(middleLEDs, HIGH);
  digitalWrite(leftBottomLEDs, HIGH);
  digitalWrite(bottomLEDs, HIGH);
  digitalWrite(rightBottomLEDs, HIGH);
}
void digitSeven(){
  digitalWrite(topLEDs, HIGH);
  digitalWrite(rightTopLEDs, HIGH);
  digitalWrite(rightBottomLEDs, HIGH);
}
void digitEight(){
  digitalWrite(topLEDs, HIGH);
  digitalWrite(rightTopLEDs, HIGH);
  digitalWrite(middleLEDs, HIGH);
  digitalWrite(leftBottomLEDs, HIGH);
  digitalWrite(bottomLEDs, HIGH);
  digitalWrite(rightBottomLEDs, HIGH);
  digitalWrite(leftTopLEDs, HIGH);
}
void digitNine(){
  digitalWrite(topLEDs, HIGH);
  digitalWrite(rightTopLEDs, HIGH);
  digitalWrite(middleLEDs, HIGH);
  digitalWrite(bottomLEDs, HIGH);
  digitalWrite(rightBottomLEDs, HIGH);
  digitalWrite(leftTopLEDs, HIGH);
}
void digitOff(){
  digitalWrite(topLEDs, LOW);
  digitalWrite(rightTopLEDs, LOW);
  digitalWrite(middleLEDs, LOW);
  digitalWrite(leftBottomLEDs, LOW);
  digitalWrite(bottomLEDs, LOW);
  digitalWrite(rightBottomLEDs, LOW);
  digitalWrite(leftTopLEDs, LOW);
}