void setup() {
  pinMode(18, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(34, INPUT_PULLUP);
  pinMode(14, INPUT_PULLUP);
}

void loop() {
  if(digitalRead(34)==0){
    digitalWrite(4, HIGH);
  }
  else{digitalWrite(4, LOW);
  }
  if(digitalRead(14)==0){
    digitalWrite(18, HIGH);
  }
  else{digitalWrite(18, LOW);
  }
}