---

#define LED1_PIN 3
#define LED2_PIN 5

void setup()
{
  pinMode(LED1_PIN, OUTPUT);
  pinMode(LED2_PIN, OUTPUT);
}

void loop()
{
  for (int i = 0; i <= 12; i++)
  {
    int yarkost1 = map(i, 0, 12, 0, 31);
    int yarkost2 = map(i, 0, 12, 255, 31);

    analogWrite(LED1_PIN, yarkost1);
    analogWrite(LED2_PIN, yarkost2);

    delay(5000 / 12);
  }
}