#include <Arduino.h>
     
int anIR_pin = A0;
const int led1 = 2;
const int led2 = 3;
const int buttonPin = 5; 

bool ledState = false;
bool lastButtonState = HIGH;

void setup() {
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);  
  pinMode(anIR_pin, INPUT);  
  pinMode(buttonPin, INPUT_PULLUP);
  digitalWrite(led1, ledState);
  Serial.begin(9600);   
}

void loop() {
Serial.println(analogRead(anIR_pin)); 
bool currentButtonState = digitalRead(buttonPin);
  if (analogRead(anIR_pin) >= 511) {
      if (currentButtonState != lastButtonState) {
        if (currentButtonState == LOW) {
        ledState = !ledState;
          digitalWrite(led2, ledState);
          digitalWrite(led1, LOW);
        }
      lastButtonState = currentButtonState;
      }
  }
  else {
      if (currentButtonState != lastButtonState) {
        if (currentButtonState == LOW) {
        ledState = !ledState;
          digitalWrite(led1, ledState);
          digitalWrite(led2, LOW);
        }
      lastButtonState = currentButtonState;
      }
  }
  delay(10);
}