// Assigns the variables (LEDR,LEDY,LEDG) to the following outputs.
int LEDR = 13;
int LEDY = 12;
int LEDG = 11;

void setup() {
  // put your setup code here, to run once:

// Reads the variables mentioned above as outputs.
pinMode(LEDR, OUTPUT);
pinMode(LEDY, OUTPUT);
pinMode(LEDG, OUTPUT);

// Makes sure that the LEDs are off before starting.
digitalWrite(LEDR, LOW);
digitalWrite(LEDY, LOW);
digitalWrite(LEDG, LOW);

}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(LEDR,HIGH);       //Turns on LEDR
delay(200);                    //Wait for 200 ms.
digitalWrite(LEDY,HIGH);       //Turns on LEDY
delay(200);                    //Wait for 200 ms.
digitalWrite(LEDG,HIGH);       //Turns on LEDG
delay(200);                    //Wait for 200 ms.
digitalWrite(LEDR,LOW);        //Turns off LEDR
delay(300);                    //Wait for 300ms
digitalWrite(LEDY,LOW);        //Turns off LEDY
delay(300);                    //Wait for 300ms
digitalWrite(LEDG,LOW);        //Turns off LEDG
delay(300);                    //Wait for 300ms

}