int red_led = 13;
int green_led = 11;
int blue_led = 9;
int yellow_led = 7;

void setup() {
  // put your sedigitalWrite(red_led, HIGH);
pinMode(13, OUTPUT);
pinMode(11, OUTPUT);
pinMode(9, OUTPUT);
pinMode(7, OUTPUT);

digitalWrite(red_led, HIGH);
digitalWrite(green_led, HIGH);
digitalWrite(blue_led, HIGH);
digitalWrite(yellow_led, HIGH);
delay(2000);
//All lights turn off then wait one second before going to void loop
digitalWrite(red_led, LOW);
digitalWrite(green_led, LOW);
digitalWrite(blue_led, LOW);
digitalWrite(yellow_led, LOW);
delay(1000);

}

void loop() {
  // put your main code here, to run repeatedly:

  //lights will get brighter then go to 255 then back down and increase in incrminets of 10

  //red led gets brighter
  analogWrite(red_led, 0);
  analogWrite(green_led,0);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  analogWrite(red_led, 10);
  analogWrite(green_led,0);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  analogWrite(red_led, 255);
  analogWrite(green_led,0);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  analogWrite(red_led, 20);
  analogWrite(green_led,0);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(10);

  analogWrite(red_led, 255);
  analogWrite(green_led,0);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  analogWrite(red_led, 30);
  analogWrite(green_led,0);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  analogWrite(red_led, 255);
  analogWrite(green_led,0);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  analogWrite(red_led, 40);
  analogWrite(green_led,0);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  analogWrite(red_led, 255);
  analogWrite(green_led,0);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  analogWrite(red_led, 50);
  analogWrite(green_led,0);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  analogWrite(red_led, 255);
  analogWrite(green_led,0);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  analogWrite(red_led, 60);
  analogWrite(green_led,0);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  analogWrite(red_led, 255);
  analogWrite(green_led,0);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  analogWrite(red_led, 70);
  analogWrite(green_led,0);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);
  //red led gets dimmer

  analogWrite(red_led, 255);
  analogWrite(green_led,0);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  analogWrite(red_led, 80);
  analogWrite(green_led,0);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  analogWrite(red_led, 255);
  analogWrite(green_led,0);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  analogWrite(red_led, 90);
  analogWrite(green_led,0);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  analogWrite(red_led, 255);
  analogWrite(green_led,0);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  analogWrite(red_led, 100);
  analogWrite(green_led,0);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  analogWrite(red_led, 255);
  analogWrite(green_led,0);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  

  //green led get brighter

  analogWrite(red_led, 0);
  analogWrite(green_led,10);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  analogWrite(red_led, 0);
  analogWrite(green_led,255);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  analogWrite(red_led, 0);
  analogWrite(green_led,20);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  analogWrite(red_led, 0);
  analogWrite(green_led,255);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  analogWrite(red_led, 0);
  analogWrite(green_led,30);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  analogWrite(red_led, 0);
  analogWrite(green_led,255);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  analogWrite(red_led, 0);
  analogWrite(green_led,40);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  analogWrite(red_led, 0);
  analogWrite(green_led,255);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  analogWrite(red_led, 0);
  analogWrite(green_led,50);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  analogWrite(red_led, 0);
  analogWrite(green_led,255);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  analogWrite(red_led, 0);
  analogWrite(green_led,60);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  analogWrite(red_led, 0);
  analogWrite(green_led,255);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  analogWrite(red_led, 0);
  analogWrite(green_led,70);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  analogWrite(red_led, 0);
  analogWrite(green_led,255);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  analogWrite(red_led, 0);
  analogWrite(green_led,80);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);

  analogWrite(red_led, 0);
  analogWrite(green_led,255);
  analogWrite(blue_led, 0);
  analogWrite(yellow_led, 0);
  delay(500);


 

  
  
  

}