#include <LiquidCrystal_I2C.h>
#include <Wire.h>
LiquidCrystal_I2C lcd(0x27,16,2);
int r=13;
int y=12;
int g=11;
void setup() {
  // put your setup code here, to run once:
for (int led=11;led<=13;led++)
{
  pinMode(led, OUTPUT);
}
lcd.begin(16,2);
lcd.backlight();
}

void loop() {
  // put your main code here, to run repeatedly:
lcd.setCursor(5,0);
lcd.print("STOP");
digitalWrite(r, HIGH);
delay(3000);
lcd.clear();
digitalWrite(r, LOW);
lcd.clear();
delay(3000);
lcd.setCursor(3,0);
lcd.print("continue");
digitalWrite(y, HIGH);
delay(3000);
lcd.clear();
digitalWrite(y, LOW);
delay(3000);
lcd.setCursor(7,0);
lcd.print("GO");
digitalWrite(g, HIGH);
delay(3000);
lcd.clear();
digitalWrite(g, LOW);
delay(3000);
}