int Button = 0 ;
void setup(){
pinMode(2, INPUT);
pinMode(3, OUTPUT);
pinMode(4, OUTPUT);
pinMode(5, OUTPUT);
}

void loop(){
 Button = digitalRead(2);
 if (Button == LOW){
  digitalWrite(3, HIGH);
  digitalWrite(4, LOW);
  digitalWrite(5, LOW);
 }
else{
  digitalWrite(3, LOW);
  digitalWrite(4, HIGH);
  digitalWrite(5, LOW);
  delay(250);
  digitalWrite(4, LOW);
  digitalWrite(5, HIGH);
  delay(250);
}
}