Arduino Project 2

int switchState = 0; 
void setup(){  
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT); 
  pinMode(5, OUTPUT);
  pinMode(2, INPUT);
}
void loop() { 
  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(250); 
    digitalWrite(4, HIGH);
    digitalWrite(5, LOW);
    delay(250);
  }
}