void setup() {
  pinMode(13, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(11, OUTPUT);

  pinMode(10, INPUT_PULLUP);
  pinMode(9, INPUT_PULLUP);
  pinMode(8, INPUT_PULLUP);
  pinMode(2, INPUT_PULLUP);

}

void loop() {

if (digitalRead(10)==0)
digitalWrite(13, HIGH);

if(digitalRead(9)==0)
digitalWrite(12, HIGH);

if(digitalRead(8)==0)
digitalWrite(11, HIGH);

if (digitalRead(2)==0)
{
  digitalWrite(13, LOW);
digitalWrite(12, LOW);
digitalWrite(11, LOW);

}
  
 }