#define LED_red 13
#define LED_blue 12
#define LED_green 11
#define LED_yellow 10
#define button 4
int status = 0;

void setup() {
  pinMode(LED_red, OUTPUT);
  pinMode(button, INPUT);
  pinMode(LED_blue,OUTPUT);
  pinMode(LED_green, OUTPUT);
  pinMode(LED_yellow, OUTPUT);

  digitalWrite(LED_red, LOW);
  digitalWrite(LED_blue, LOW);
  digitalWrite(LED_green, LOW);
  digitalWrite(LED_yellow, LOW);
}

void loop()
{
  checkButton();
  checkStatus();
}
void checkButton() {
  if (digitalRead(button) == HIGH) {
    status++;
    }
}

void checkStatus() {
  if(status == 1){
      digitalWrite(LED_red, HIGH);
      delay(400);
      digitalWrite(LED_red, LOW);
      delay(200);
      }
    else if(status == 2){
      digitalWrite(LED_green, HIGH);
      delay(600);
      digitalWrite(LED_green, LOW);
      delay(350);
      digitalWrite(LED_red, LOW);
      }
    else if(status == 3){
      digitalWrite(LED_blue, HIGH);
      delay(1000);
      digitalWrite(LED_blue, LOW);
      delay(300);
      digitalWrite(LED_green,LOW);
      }
    else if(status == 4){
      digitalWrite(LED_yellow, HIGH);
      delay(200);
      digitalWrite(LED_yellow, LOW);
      delay(250);
      digitalWrite(LED_yellow, LOW);
      }
    else if (status == 5) {
      digitalWrite (LED_red, LOW);
      digitalWrite (LED_blue, LOW);
      digitalWrite (LED_green, LOW);
      digitalWrite (LED_yellow, LOW);
      }
    else if(status == 6){
      digitalWrite(LED_red, HIGH);
      delay(150);
      digitalWrite(LED_red, LOW);
      delay(150);
      digitalWrite (LED_blue, HIGH);
      delay(150);
      digitalWrite(LED_blue, LOW);
      delay(150);
      digitalWrite(LED_green, HIGH);
      delay(150);
      digitalWrite(LED_green, LOW);
      delay(150);
      digitalWrite(LED_yellow, HIGH);
      delay(150);
      digitalWrite(LED_yellow, LOW);
      delay(150);
      }
    else if(status == 7){
      status = 0;
      }
    else
    {
      digitalWrite(LED_red, LOW);
      digitalWrite(LED_blue, LOW);
      digitalWrite (LED_green, LOW);
      digitalWrite (LED_yellow, LOW);
    } 
}