void setup() {
  // put your setup code here, to run once:
pinMode(12, INPUT_PULLUP);
pinMode(14, INPUT_PULLUP);
pinMode(27, INPUT_PULLUP);
pinMode(26, INPUT_PULLUP);
pinMode(25, INPUT_PULLUP);
pinMode(15,  OUTPUT);
pinMode(2,  OUTPUT);
pinMode(0,  OUTPUT);
pinMode(4,  OUTPUT);
}

void loop() {
  
if (digitalRead(25)==LOW){digitalWrite(15, HIGH);}
if (digitalRead(26)==LOW){digitalWrite(2, HIGH);}
if (digitalRead(27)==LOW){digitalWrite(0, HIGH);}
if (digitalRead(14)==LOW){digitalWrite(4, HIGH);}


if (digitalRead(12)==LOW){digitalWrite(15, LOW);}
if (digitalRead(12)==LOW){digitalWrite(2, LOW);}
if (digitalRead(12)==LOW){digitalWrite(4, LOW);}
if (digitalRead(12)==LOW){digitalWrite(0, LOW);}

}