int switchState = 0;
void setup() {
  // put your setup code here, to run once:
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(2, INPUT);

}

void loop() {
  // put your main code here, to run repeatedly:
  switchState = digitalRead(2);
  if(switchState == LOW){
    digitalWrite(3, HIGH);
    digitalWrite(4, LOW);
    digitalWrite(5, LOW);
  }else{
    digitalWrite(3, LOW);
    digitalWrite(4, LOW);
    digitalWrite(5, HIGH);
    delay(1000);
    digitalWrite(4, HIGH);
    digitalWrite(5, LOW);
    delay(1000);
  }
}