void setup() {
   pinMode(11, OUTPUT);
  pinMode(10, OUTPUT);
  pinMode(8, INPUT_PULLUP);
  pinMode(9, INPUT_PULLUP);
  pinMode(7, INPUT_PULLUP);

}

void loop() {
   if(digitalRead(8)==0)
     digitalWrite(11, HIGH);
     
     if(digitalRead(7)==0)
     digitalWrite(10, HIGH);
     
     if(digitalRead(9)==0)
    { 
      digitalWrite(11, LOW);
      digitalWrite(10, LOW);
    }
}