int mojcas = 0;
int mojcas2 = 0;
int mojcas3 = 0;
void setup() {
  Serial.begin(9600);
pinMode(13, OUTPUT);
pinMode(12, OUTPUT);
pinMode(11, OUTPUT);
}

void loop() {
delay(1);
mojcas = mojcas + 1;
Serial.println(mojcas);
if (mojcas == 500) digitalWrite(13, HIGH);
if (mojcas == 600) {digitalWrite(13,LOW);
  mojcas = 0;
}
mojcas2 = mojcas2 + 1;
Serial.println(mojcas2);
if (mojcas2 == 600) digitalWrite(12, HIGH);
if (mojcas2 == 700) {digitalWrite(12,LOW);
  mojcas2 = 0;
}
mojcas3 = mojcas3 + 1;
Serial.println(mojcas3);
if (mojcas3 == 700) digitalWrite(11, HIGH);
if (mojcas3 == 900) {digitalWrite(11,LOW);
  mojcas3 = 0;
}
}