const int pinY = A0;
const int pinX = A1;

const int ledFirst = 11;
const int ledSecond = 10;
const int ledThird = 9;
const int buzzer = 2;

void setup() {
  pinMode(ledFirst, OUTPUT);
  pinMode(ledSecond, OUTPUT);
  pinMode(ledThird, OUTPUT);
  pinMode(buzzer, OUTPUT);

  pinMode(pinX, INPUT);
  pinMode(pinY, INPUT);
}

void loop() {
  int yVal = analogRead(pinY);
  int xVal = analogRead(pinX);

  digitalWrite(ledFirst, LOW);
  digitalWrite(ledSecond, LOW);
  digitalWrite(ledThird, LOW);
  noTone(buzzer);

  if(yVal > 700) {
    digitalWrite(ledFirst, HIGH);
  }
  else if(yVal < 300) {
    digitalWrite(ledSecond, HIGH);
  }
  else  if(xVal < 300) {
    digitalWrite(ledThird, HIGH);
  }
  else  if(xVal < 700) {
    tone(buzzer, 1000); 
  }

  delay(50);
}