int LEDred1 = 12;
int LEDred2 = 11;
int LEDred3 = 10;
int LEDgreen = 9;
int buzzer = 8;

void setup() {
  // put your setup code here, to run once:
pinMode(LEDred1, OUTPUT);
pinMode(LEDred2, OUTPUT);
pinMode(LEDred3, OUTPUT);
pinMode(LEDgreen, OUTPUT);
pinMode(buzzer, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(LEDred1, HIGH);
tone(buzzer, 1400);
delay(300);
noTone(buzzer);
delay(500);
digitalWrite(LEDred2, HIGH);
tone(buzzer, 1400);
delay(300);
noTone(buzzer);
delay(500);
digitalWrite(LEDred3, HIGH);
tone(buzzer, 1400);
delay(250);
noTone(buzzer);
delay(500);
digitalWrite(LEDgreen, HIGH);
tone(buzzer, 2100);
delay(250);
noTone(buzzer);
delay(500);
digitalWrite(LEDred1, LOW);
digitalWrite(LEDred2, LOW);
digitalWrite(LEDred3, LOW);
digitalWrite(LEDgreen, LOW);
delay(350);
}
//meow