#include <LiquidCrystal.h>
LiquidCrystal lcd(12, 11, 8, 7, 6, 5);

void setup() {
  // put your setup code here, to run once:
  pinMode(2, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  lcd.begin(16, 2); // Set the LCD dimensions (16x2)
}
int time = 10;
String stat = "Stop";
void loop() {
  // put your main code here, to run repeatedly:
  lcd.clear();
  if (time > 1) {
    digitalWrite(3, LOW);
    if (stat == "Stop") {
      digitalWrite(2, HIGH);
      digitalWrite(4, LOW);
      lcd.setCursor(0, 0);
      lcd.print("Stop");
      lcd.setCursor(0, 1);
      lcd.print(time);
    } else {
      digitalWrite(2, LOW);
      digitalWrite(4, HIGH);
      lcd.setCursor(0, 0);
      lcd.print("Walk");
      lcd.setCursor(0, 1);
      lcd.print(time);
    }
  } else if (time == 1) {
    digitalWrite(2, LOW);
    digitalWrite(3, HIGH);
    digitalWrite(4, LOW);
    lcd.setCursor(0, 0);
    lcd.print("Wait");
    lcd.setCursor(0, 1);
    lcd.print(time);
  }
  time -= 1;
  if (time == 0) {
    time = 10;
    if (stat == "Stop") {
      stat = "Walk";
    } else {
      stat = "Stop";
    }
  }
  delay(1000);
}