//Created by Jackie Durant
//HW2
int G=10;
int R=11;
int Y=12;

void setup() {
  // initialize digital pin LED_BUILTIN as an output.
  pinMode(G, OUTPUT);
  pinMode(R, OUTPUT);
  pinMode(Y, OUTPUT);
}

void loop() {
  digitalWrite(G, HIGH); 
  digitalWrite(R, HIGH);
  digitalWrite(Y, HIGH); 
  delay(500);         
  Serial.print("value of G"); 
  digitalWrite(G, LOW); 
  digitalWrite(R, HIGH);
  digitalWrite(Y, LOW);    // turn the LED off by making the voltage LOW
  delay(500);     
  Serial.print("value of R");  
  digitalWrite(G, HIGH); 
  digitalWrite(R, LOW);
  digitalWrite(Y, LOW);    // turn the LED off by making the voltage LOW
  delay(500);  
  Serial.print("value of Y"); 
  digitalWrite(G, LOW); 
  digitalWrite(R, LOW);
  digitalWrite(Y, LOW);    // turn the LED off by making the voltage LOW
  delay(500);          
}