const int ledBlue = 11;
const int ledGreen = 12;
const int ledRed = 13;
const int button = 2;
int state = 0;

void setup() {
  // put your setup code here, to run once:
  pinMode(ledBlue, OUTPUT);
  pinMode(ledGreen, OUTPUT);
  pinMode(ledRed, OUTPUT);
  pinMode(button, INPUT);
}


void loop() {
  // put your main code here, to run repeatedly:
  if (digitalRead(button) == HIGH) {
    state+=1;
    if (state == 1) {
      digitalWrite(ledRed, HIGH);
    } else if (state == 2) {
      digitalWrite(ledGreen, HIGH);
      digitalWrite(13, LOW);
    } else if (state == 3) {
      digitalWrite(ledGreen, HIGH);
      digitalWrite(ledRed, HIGH);
    } else if (state == 4) {
      digitalWrite(ledBlue, HIGH);
      digitalWrite(13, LOW);
    } else if (state == 5) {
      digitalWrite(ledBlue, HIGH);
      digitalWrite(ledRed, HIGH);
    } else if (state == 6) {
      digitalWrite(ledBlue, HIGH);
      digitalWrite(ledGreen, HIGH);
    } else if (state == 7) {
      digitalWrite(ledBlue, HIGH);
      digitalWrite(ledGreen, HIGH);
      digitalWrite(ledRed, HIGH);
    } else if (state > 7) {
      state = 0;
      digitalWrite(ledRed, LOW);
      digitalWrite(ledBlue, LOW);
      digitalWrite(ledGreen, LOW);
    }
    delay(200);
  }
}