#define led 13
void num(int x){
if (x==0){
digitalWrite(2, 0);
digitalWrite(3, 0);
digitalWrite(4, 0);
digitalWrite(5, 0);
digitalWrite(6, 0);
digitalWrite(7, 0);
digitalWrite(8, 1);}

else if(x==1){
digitalWrite(2, 0);
digitalWrite(3, 1);
digitalWrite(4, 1);
digitalWrite(5, 0);
digitalWrite(6, 1);
digitalWrite(7, 1);
digitalWrite(8, 1);}
else if (x==2){
  digitalWrite(2, 1);
digitalWrite(3, 0);
digitalWrite(4, 0);
digitalWrite(5, 0);
digitalWrite(6, 0);
digitalWrite(7, 1);
digitalWrite(8, 0);

}
else if (x==3){
  digitalWrite(2, 0);
digitalWrite(3, 0);
digitalWrite(4, 1);
digitalWrite(5, 0);
digitalWrite(6, 0);
digitalWrite(7, 1);
digitalWrite(8, 0);
}
else if (x==4){
  digitalWrite(2, 0);
digitalWrite(3, 1);
digitalWrite(4, 1);
digitalWrite(5, 0);
digitalWrite(6, 1);
digitalWrite(7, 0);
digitalWrite(8, 0);
}
else if (x==5){
  digitalWrite(2, 0);
digitalWrite(3, 0);
digitalWrite(4, 1);
digitalWrite(5, 1);
digitalWrite(6, 0);
digitalWrite(7, 0);
digitalWrite(8, 0);
}
else if (x==6){
  digitalWrite(2, 0);
digitalWrite(3, 0);
digitalWrite(4, 0);
digitalWrite(5, 1);
digitalWrite(6, 0);
digitalWrite(7, 0);
digitalWrite(8, 0);
}
else if (x==7){
  digitalWrite(2, 0);
digitalWrite(3, 1);
digitalWrite(4, 1);
digitalWrite(5, 0);
digitalWrite(6, 0);
digitalWrite(7, 1);
digitalWrite(8, 1);
}
else if (x==8){
digitalWrite(2, 0);
digitalWrite(3, 0);
digitalWrite(4, 0);
digitalWrite(5, 0);
digitalWrite(6, 0);
digitalWrite(7, 0);
digitalWrite(8, 0);}
else if (x==9){
digitalWrite(2, 0);
digitalWrite(3, 0);
digitalWrite(4, 1);
digitalWrite(5, 0);
digitalWrite(6, 0);
digitalWrite(7, 0);
digitalWrite(8, 0);}



}
void setup() {
  // put your setup code here, to run once:
 pinMode(2, OUTPUT);
 pinMode(3, OUTPUT);
 pinMode(4, OUTPUT);
 pinMode(5, OUTPUT);
 pinMode(6, OUTPUT);
 pinMode(7, OUTPUT);
 pinMode(8, OUTPUT);
 pinMode(9, OUTPUT);
 pinMode(10, OUTPUT);
 pinMode(11, OUTPUT);
 
 }

void loop() {
  for(int i=9;i>0;i=i-1){
    if(i==9){
      digitalWrite(11,1);
      digitalWrite(10,0);
    }
    else if(i==6){
      digitalWrite(11,0);
      digitalWrite(9,1);
    }
    else if(i==3){
digitalWrite(9,0);
digitalWrite(10,1);

    }
num(i);
delay(1000);

}

}

  
  // put your main code here, to run repeatedly: