#define buttonStatu LOW
#define button 2
#define relay1 3
#define relay2 4

void setup() {
  // put your setup code here, to run once:
 pinMode(button, INPUT);
 pinMode(relay1, OUTPUT);
 pinMode(relay2, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  if(digitalRead(button) == buttonStatu){
    digitalWrite(relay2, LOW);
    digitalWrite(relay1, HIGH);
    delay(500);
    digitalWrite(relay1, LOW);
    delay(500);
  }
  else{
    digitalWrite(relay1, LOW);
    digitalWrite(relay2, HIGH);
    delay(500);
    digitalWrite(relay2, LOW);
    delay(500);
  }
}