void setup() {
  pinMode (11, INPUT);
  pinMode (12, INPUT);
  pinMode (13, INPUT);
  pinMode (9, OUTPUT);
  pinMode (10, OUTPUT);
}

void loop() {
  if (digitalRead(13) == HIGH){
   digitalWrite (10, HIGH);
   digitalWrite (9, LOW);
    delay(1000);
   digitalWrite (10, LOW);
   digitalWrite (9, HIGH);
   delay(1000);
   digitalWrite (10, HIGH);
   digitalWrite (9, LOW);
   delay(1000);
   digitalWrite (10, LOW);
   digitalWrite (9, HIGH);
    delay(1000);
  }


 if (digitalRead(12) == HIGH){
   digitalWrite (10, HIGH);
 }else{ (digitalRead(12) == LOW);
   digitalWrite (10, LOW);
  }

 if (digitalRead(11) == HIGH){
   digitalWrite (9, HIGH);
 }else{ (digitalRead(11) == LOW);
  digitalWrite(9, LOW);
 }
}