#define PINLEDROUGE 2
#define PINLEDJAUNE 4
#define PINLEDVERTE 7

void setup()
{
  pinMode(PINLEDROUGE, OUTPUT);
  pinMode(PINLEDJAUNE, INPUT);
  pinMode(PINLEDVERTE, OUTPUT);
}

void loop()
{
  digitalWrite(PINLEDROUGE, HIGH);
  delay(2000);
  digitalWrite(PINLEDROUGE, LOW);
  digitalWrite(PINLEDVERTE, LOW);
  delay(1500);
  digitalWrite(PINLEDVERTE, LOW);
  digitalWrite(PINLEDJAUNE, HIGH);
  delay(1000);
  digitalWrite(PINLEDJAUNE, LOW);
}