void setup() {
  pinMode(1, OUTPUT);
  pinMode(2, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(6, OUTPUT);
  pinMode(7, OUTPUT);
  pinMode(A5, INPUT);
  pinMode(13, OUTPUT); 
}

void print7(int number){

} 

void loop() {
  digitalWrite(1, HIGH);
  digitalWrite(2, HIGH);
  digitalWrite(3, HIGH);
  digitalWrite(4, HIGH);
  digitalWrite(6, HIGH);
  digitalWrite(7, HIGH);

  if(digitalRead(A5)==HIGH){
    for(int time = 9; time >= 0; time--){
      switch(time){
        case 9:
        {
          digitalWrite(13, LOW);
          digitalWrite(1, HIGH);
          digitalWrite(2, HIGH);
          digitalWrite(3, HIGH);
          digitalWrite(4, HIGH);
          digitalWrite(6, HIGH);
          digitalWrite(7, HIGH);

        }
        break;

        case 8:
        {
          digitalWrite(1, HIGH);
          digitalWrite(2, HIGH);
          digitalWrite(3, HIGH);
          digitalWrite(4, HIGH);
          digitalWrite(5, HIGH);
          digitalWrite(6, HIGH);
          digitalWrite(7, HIGH);
        }
        break;

        case 7:
        { 
          digitalWrite(1, HIGH);
          digitalWrite(2, HIGH);
          digitalWrite(3, HIGH);
        }
        break;

        case 6:
        {
        digitalWrite(1, HIGH);
        digitalWrite(3, HIGH);
        digitalWrite(4, HIGH);
        digitalWrite(5, HIGH);
        digitalWrite(6, HIGH);
        digitalWrite(7, HIGH);
        }
        break;

        case 5:
        {
        digitalWrite(1, HIGH);
        digitalWrite(6, HIGH);
        digitalWrite(7, HIGH);
        digitalWrite(3, HIGH);
        digitalWrite(4, HIGH);
        }
        break;

        case 4:
        {
        digitalWrite(2, HIGH);
        digitalWrite(3, HIGH);
        digitalWrite(7, HIGH);
        digitalWrite(6, HIGH);
        }
        break;

        case 3:
        {
        digitalWrite(1, HIGH);
        digitalWrite(2, HIGH);
        digitalWrite(3, HIGH);
        digitalWrite(4, HIGH);
        digitalWrite(7, HIGH);
        }
        break;

        case 2:
        {
        digitalWrite(1, HIGH);
        digitalWrite(2, HIGH);
        digitalWrite(7, HIGH);
        digitalWrite(5, HIGH);
        digitalWrite(4, HIGH);
        }
        break;

        case 1:
        {
        digitalWrite(2, HIGH);
        digitalWrite(3, HIGH);
        }
        break;

        case 0:
        {
          digitalWrite(2, HIGH);
          digitalWrite(3, HIGH);
          digitalWrite(1, HIGH);
          digitalWrite(4, HIGH);
          digitalWrite(5, HIGH);
          digitalWrite(6, HIGH);
          digitalWrite(13, HIGH);
        }
        break;
      }

      delay(1000);
      digitalWrite(1,LOW);
      digitalWrite(2,LOW);
      digitalWrite(3,LOW);
      digitalWrite(4,LOW);   
      digitalWrite(5,LOW); 
      digitalWrite(6,LOW);  
      digitalWrite(7,LOW);
    }
  }
}