void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(25, OUTPUT);
  pinMode(14, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(26, INPUT);
}
void loop() {
 int a=digitalRead(26);
  if(a==1)
  {
    Serial.println(a);
    digitalWrite(25, HIGH);
    digitalWrite(14, HIGH);
    digitalWrite(12, HIGH);
  }
  else(a==0);{
    Serial.println(a);
    digitalWrite(25, LOW);
    digitalWrite(14, LOW);
    digitalWrite(12, LOW);
  }
 
}