void setup() {
  Serial.begin(115200);
  pinMode(14, OUTPUT);
  pinMode(25, OUTPUT);
  pinMode(26, OUTPUT);
  pinMode(19, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(15, OUTPUT);
  pinMode(13, INPUT);
}

void loop() {
  int c=digitalRead(13);
  if (c==1)
  {

  Serial.println("stop ");
  digitalWrite(14, HIGH);
  digitalWrite(25, LOW);
  digitalWrite(26, LOW);

  Serial.println("go ");
  digitalWrite(19, HIGH);
  digitalWrite(5, LOW);
  digitalWrite(15, LOW);
  delay(3000);

  Serial.println("warning");
  digitalWrite(14, LOW);
  digitalWrite(25, HIGH);
  digitalWrite(26, LOW);

  Serial.println("slow");
  digitalWrite(19,LOW);
  digitalWrite(5, HIGH);
  digitalWrite(15, LOW);
  delay(3000);

  Serial.println("let go");
  digitalWrite(14, LOW);
  digitalWrite(25, LOW);
  digitalWrite(26, HIGH);

  Serial.println("please stop");
  digitalWrite(19, LOW);
  digitalWrite(5, LOW);
  digitalWrite(15, HIGH);
  delay(3000);

  Serial.println("go slow");
  digitalWrite(14, LOW);
  digitalWrite(25, HIGH);
  digitalWrite(26, LOW);

  Serial.println("alert");
  digitalWrite(19,LOW);
  digitalWrite(5, HIGH);
  digitalWrite(15, LOW);
  delay(3000);
  }
else
{
  digitalWrite(14, LOW);
  digitalWrite(25, LOW);
  digitalWrite(26, LOW);
  digitalWrite(19, LOW);
  digitalWrite(5, LOW);
  digitalWrite(15, LOW);
  delay(0);
  }
}