void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(12, OUTPUT);
  pinMode(26, OUTPUT);
  pinMode(25, OUTPUT); 
  pinMode(17, OUTPUT);
  pinMode(16, OUTPUT);
  pinMode(18, OUTPUT);
  pinMode(14, INPUT);
   
    }

    void loop( ) {
      int swt = digitalRead(14);
      Serial.println(swt);
      
       digitalWrite(12, HIGH);
       digitalWrite(18, HIGH);
       Serial.println( "STOP");
       Serial.println( "GO");
       delay( 4000);
       digitalWrite( 12, LOW);
       digitalWrite(18, LOW);
      
       digitalWrite( 26, HIGH);
       digitalWrite(16, HIGH);
       Serial.println( "GET READY ");
        delay(4000);
       digitalWrite(26, LOW);
       digitalWrite(16, LOW);
       
       digitalWrite( 25, HIGH);
       digitalWrite(17, HIGH);
       Serial.println( "GO");
       Serial.println("STOP");
       delay(4000);
       digitalWrite(25, LOW);
       digitalWrite(17, LOW);
       
       digitalWrite(26, HIGH);
       digitalWrite(16, HIGH);
       Serial.println( "SLOW");
       delay(4000);
       digitalWrite(26, LOW);
       digitalWrite( 16, LOW);
       

        }