int counr=1;
void setup() {
pinMode(13, OUTPUT);
pinMode(12, OUTPUT);
pinMode(11, OUTPUT);
pinMode(3, INPUT);
Serial.begin(9600);
}
void loop() {
if(digitalRead(3)==HIGH){
  if(counr==1){
  digitalWrite(13, HIGH);
  digitalWrite(13, LOW);
  digitalWrite(13, LOW);
  counr+=1;
  Serial.println("fisrt");
  }
else if(counr==2){
  digitalWrite(13, LOW);
  digitalWrite(13, HIGH);
  digitalWrite(13, LOW);
  counr+=1;
  Serial.println("second");
}
else if(counr==3){
  digitalWrite(13, LOW);
  digitalWrite(13, LOW);
  digitalWrite(13, HIGH);
  counr-=2;
  Serial.println("th");
}
delay(1000);
}
}