void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);

  pinMode(12, OUTPUT);
  pinMode(13, OUTPUT);
  pinMode(14, OUTPUT);
  pinMode(25, INPUT);
}

void loop() {
  int swch =digitalRead(25);
  Serial.println(swch);
  if(swch == 1)
  {
  digitalWrite(12, HIGH);
  Serial.println("STOP");
  delay(7000);
 digitalWrite(12, LOW);
  digitalWrite(13, HIGH);
  Serial.println("READY");
  delay(5000);
  digitalWrite(13, LOW);
  digitalWrite(14, HIGH);
  Serial.println("GO");
  delay(8000);
  digitalWrite(14, LOW);
  digitalWrite(13, HIGH);
  Serial.println("READY");
  delay(5000);
  digitalWrite(13, LOW);
}
else
{
  digitalWrite(12, LOW);
  digitalWrite(13, LOW);
  digitalWrite(14, LOW);
}
}