#define a 21
#define b 19
#define c 4
#define d 25
#define e 26
#define f 33
#define g 32
#define butt 14
int lal = -1;
void setup() {
  // put your setup code here, to run once:
  pinMode(a, OUTPUT);
  pinMode(b, OUTPUT);
  pinMode(c, OUTPUT);
  pinMode(d, OUTPUT);
  pinMode(e, OUTPUT);
  pinMode(f, OUTPUT);
  pinMode(g, OUTPUT);
  pinMode(butt, INPUT_PULLUP);
}

void loop() {
  Serial.begin(115200);
  Serial.println(digitalRead(butt));
  if (lal>9){
    lal=0;
  }
  if(digitalRead(butt)==0){
    delay(50);
    lal++;
    
  }
  if(lal==0){
    lolo();
  }else if(lal==1){
    off();
    delay(100);
    lolo();
  }else if(lal==2){
    off();
    delay(100);
    lolo();
  }else if(lal==3){
    off();
    delay(100);
    lolo();
  }else if(lal==4){
    off();
    delay(100);
    lolo();
  }else if(lal==5){
    off();
    delay(100);
    lolo();
  }else if(lal==6){
    off();
    delay(100);
    lolo();
  }else if(lal==7){
    off();
    delay(100);
    lolo();
  }else if(lal==8){
    off();
    delay(100);
    lolo();
  }else if(lal==9){
    off();
    delay(100);
    lolo();
  }

  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
}

void d0(){
  digitalWrite(a, 1);
  digitalWrite(b, 1);
  digitalWrite(c, 1);
  digitalWrite(d, 1);
  digitalWrite(e, 1);
  digitalWrite(f, 1);
  digitalWrite(g, 0);
  delay(100);
  off();
}

void d1(){
  digitalWrite(a, 0);
  digitalWrite(b, 1);
  digitalWrite(c, 1);
  digitalWrite(d, 0);
  digitalWrite(e, 0);
  digitalWrite(f, 0);
  digitalWrite(g, 0);
  delay(100);
  off();
}

void d2(){
  digitalWrite(a, 1);
  digitalWrite(b, 1);
  digitalWrite(c, 0);
  digitalWrite(d, 1);
  digitalWrite(e, 1);
  digitalWrite(f, 0);
  digitalWrite(g, 1);
  delay(100);
  off();
}

void d3(){
  digitalWrite(a, 1);
  digitalWrite(b, 1);
  digitalWrite(c, 1);
  digitalWrite(d, 1);
  digitalWrite(e, 0);
  digitalWrite(f, 0);
  digitalWrite(g, 1);
  delay(100);
  off();
}

void d4(){
  digitalWrite(a, 0);
  digitalWrite(b, 1);
  digitalWrite(c, 1);
  digitalWrite(d, 0);
  digitalWrite(e, 0);
  digitalWrite(f, 1);
  digitalWrite(g, 1);
  delay(100);
  off();
}

void d5(){
  digitalWrite(a, 1);
  digitalWrite(b, 0);
  digitalWrite(c, 1);
  digitalWrite(d, 1);
  digitalWrite(e, 0);
  digitalWrite(f, 1);
  digitalWrite(g, 1);
  delay(100);
  off();
}

void d6(){
  digitalWrite(a, 1);
  digitalWrite(b, 0);
  digitalWrite(c, 1);
  digitalWrite(d, 1);
  digitalWrite(e, 1);
  digitalWrite(f, 1);
  digitalWrite(g, 1);
  delay(100);
  off();
}

void d7(){
  digitalWrite(a, 1);
  digitalWrite(b, 1);
  digitalWrite(c, 1);
  digitalWrite(d, 0);
  digitalWrite(e, 0);
  digitalWrite(f, 0);
  digitalWrite(g, 0);
  delay(100);
  off();
}

void d8(){
  digitalWrite(a, 1);
  digitalWrite(b, 1);
  digitalWrite(c, 1);
  digitalWrite(d, 1);
  digitalWrite(e, 1);
  digitalWrite(f, 1);
  digitalWrite(g, 1);
  delay(100);
  off();
}

void d9(){
  digitalWrite(a, 1);
  digitalWrite(b, 1);
  digitalWrite(c, 1);
  digitalWrite(d, 1);
  digitalWrite(e, 0);
  digitalWrite(f, 1);
  digitalWrite(g, 1);
  delay(100);
  off();
}

void off(){
  digitalWrite(a, 0);
  digitalWrite(b, 0);
  digitalWrite(c, 0);
  digitalWrite(d, 0);
  digitalWrite(e, 0);
  digitalWrite(f, 0);
  digitalWrite(g, 0);
  delay(100);
}

void lolo(){
  d9();
  delay(100);
  d8();
  delay(100);
  d7();
  delay(100);
  d6();
  delay(100);
  d5();
  delay(100);
  d4();
  delay(100);
  d3();
  delay(100);
  d2();
  delay(100);
  d1();
  delay(100);
  d0();
  delay(100);
  off();
  delay(100);
}