#include <LiquidCrystal.h>
int GREEN = 2;
int YELLOW = 3;
int RED = 4;
int DELAY_GREEN = 5000;
int DELAY_YELLOW = 2000;
int DELAY_RED = 5000;

LiquidCrystal lcd(12, 11, 10, 9, 8, 7);

void setup() {
  pinMode(GREEN, OUTPUT);
  pinMode(YELLOW, OUTPUT);
  pinMode(RED, OUTPUT);
  lcd.begin(16, 2);
  // you can now interact with the LCD, e.g.:
}

void loop() {
  green_light();
  lcd.begin(16, 2);
  lcd.print("idz");
  delay(DELAY_GREEN);

  yellow_light();
  lcd.begin(16, 2);
  lcd.print("bedzie czerwone");
  delay(DELAY_YELLOW);

  red_light();
  lcd.begin(16, 2);
  lcd.print("stoj");
  delay(DELAY_RED);

  red_yellow_light();
  lcd.begin(16, 2);
  lcd.print("bedzie zielone");
  delay(DELAY_YELLOW);
}

void green_light()
{
  digitalWrite(GREEN, HIGH);
  digitalWrite(YELLOW, LOW);
  digitalWrite(RED, LOW);
}

void yellow_light()
{
  digitalWrite(GREEN, LOW);
  digitalWrite(YELLOW, HIGH);
  digitalWrite(RED, LOW);
}

void red_light()
{
  digitalWrite(GREEN, LOW);
  digitalWrite(YELLOW, LOW);
  digitalWrite(RED, HIGH);
}
void red_yellow_light() {
  digitalWrite(GREEN, LOW);
  digitalWrite(YELLOW, HIGH);
  digitalWrite(RED, HIGH);
}