int red =13;
int green =12;
int orange=7;
int button=11;
int buttonState=0 ;
int bz=1;

void setup() {
  // put your setup code here, to run once:
pinMode(red, OUTPUT);
pinMode(green, OUTPUT);
pinMode(orange, OUTPUT);
pinMode(button, INPUT);
pinMode(bz, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
buttonState= digitalRead(button);
if (buttonState==1){

  delay(500);
  digitalWrite(red, HIGH);
  delay(500);
  digitalWrite(green, HIGH);
  digitalWrite(orange, HIGH);
}
else { if (buttonState==0)

  digitalWrite(red, LOW);
  digitalWrite(green, LOW);
}
tone(bz, 10);
 delay(500);
 noTone(bz);
 delay(500);


}