void setup() {

  Serial.begin(115200);
pinMode(27, OUTPUT);
pinMode(23, INPUT);
pinMode(25, OUTPUT);
pinMode(21, INPUT);
pinMode(12, OUTPUT);
pinMode(18, INPUT);
}

void loop() {
  int a = digitalRead(22);
     if(a==1)
     {
      digitalWrite(14,HIGH);
     }
     else
     {
      digitalWrite(14, LOW);
     }
  int b = digitalRead(21);
     if(b==1)
     {
      digitalWrite(25,HIGH);
     }
     else
     {
      digitalWrite(25, LOW);
     }
  int c = digitalRead(18);
     if(c==1)
     {
      digitalWrite(12, HIGH);
     }
     else
     {
      digitalWrite(12, LOW);
     }
}