3 blinking lights with a button.ino

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) {
// the button is not pressed
digitalWrite(3, HIGH); // green LED
digitalWrite(4, HIGH); // red LED
digitalWrite(5, HIGH); // red LED
}
else { // the button is pressed
digitalWrite(3, LOW);
digitalWrite(4, LOW);
digitalWrite(5, HIGH);
delay(250); // wait for a quarter second
// toggle the LEDs
digitalWrite(3, LOW);
digitalWrite(4, HIGH);
digitalWrite(5, LOW);

delay(250); 

digitalWrite(3, HIGH);
digitalWrite(4, LOW);
digitalWrite(5, LOW);
delay(250); 
// wait for a quarter second
}
}