Fire Alarm

#define flamePin A0
#define buzzer1 9
#define buzzer2 8
#define greenLed 2
#define redLed 3
int val;


void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(buzzer1, OUTPUT);
  pinMode(buzzer2, OUTPUT);
  pinMode(greenLed, OUTPUT);
  pinMode(redLed, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  val=analogRead(flamePin);
  if (val<1023){
    buzzerCall();
    }
  else{digitalWrite(greenLed,HIGH);}
}

void buzzerCall(){
    digitalWrite(greenLed,LOW);
    digitalWrite(redLed,HIGH);
    tone(buzzer1, 5000);
    delay(1000);
    noTone(buzzer1);
    tone(buzzer2, 1000);
    digitalWrite(redLed,LOW);
    delay(1000);
    noTone(buzzer2);
 }