const int green= 8;
const int blue= 9;
const int red = 10 ;
long bouton = 11;
long etatbouton = HIGH;

void setup()
{
  pinMode(green, OUTPUT);
  pinMode(blue, OUTPUT);
  pinMode(red, OUTPUT);
  pinMode ( bouton, INPUT_PULLUP);
  start ();

}


void start ()
  {digitalWrite(green, HIGH);
  digitalWrite(blue, LOW);
  digitalWrite(red, LOW);
  delay(100);
   digitalWrite(green, LOW);
  digitalWrite(blue, HIGH);
  digitalWrite(red, LOW);
  delay(100);
  digitalWrite(green, LOW);
  digitalWrite(blue, LOW);
  digitalWrite(red, HIGH);
 delay(100);
  }


void light()
{digitalWrite(green, HIGH);
  digitalWrite(blue, LOW);
  digitalWrite(red, LOW);
  delay(1000);
   digitalWrite(green, LOW);
  digitalWrite(blue, HIGH);
  digitalWrite(red, LOW);
  delay(1000);
  digitalWrite(green, LOW);
  digitalWrite(blue, LOW);
  digitalWrite(red, HIGH);
 delay(1000);
  }

void loop()
{
  etatbouton = digitalRead(bouton);

  if (etatbouton == HIGH)
  {
  digitalWrite(green, HIGH);
  digitalWrite(blue, LOW);
  digitalWrite(red, LOW);
  }
else

  {
light();
  }

}