int tombol=2;
int led1=13;
int led2=12;
int led3=11;
int led4=10;
int led5=9;
int nilai;
void setup(){
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
  pinMode(led4, OUTPUT);
  pinMode(led5, OUTPUT);
  pinMode(tombol, INPUT);
}
void loop(){
  if(digitalRead(tombol)==HIGH){
    nilai++;
    delay(500);
  }
  if(nilai==3){
    digitalWrite(led1, HIGH);
  }
  if(nilai==4){
    digitalWrite(led2, HIGH);
  }
  if(nilai==5){
    digitalWrite(led3, HIGH);
  }
  if(nilai==6){
    digitalWrite(led4, HIGH);
  }
  if(nilai==7){
    digitalWrite(led5, HIGH);
  }
}