void setup()
 {
pinMode(3, OUTPUT);  
pinMode(4, OUTPUT);
pinMode(5, OUTPUT);
}
void loop()
 {
digitalWrite(3, HIGH); 
digitalWrite(4, LOW);
digitalWrite(5, LOW);
delay(60);
digitalWrite(3, LOW); 
digitalWrite(4, HIGH);
digitalWrite(5, LOW);
delay(60);
digitalWrite(3, LOW); 
digitalWrite(4, LOW);
digitalWrite(5, HIGH);
delay(60);




}