int vert = A0;
int horz = A1;
int btnSel = 2;

int ledR = 11;
int ledG = 10;
int ledB = 9;

int pocitadlo = 1;

void setup() {
  // put your setup code here, to run once:
  pinMode(vert, INPUT);
  pinMode(horz, INPUT);
  pinMode(btnSel, INPUT_PULLUP);

  pinMode(ledR, OUTPUT);
  pinMode(ledG, OUTPUT);
  pinMode(ledB, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  if(pocitadlo == 1){
    digitalWrite(ledR, HIGH);
    digitalWrite(ledG, LOW);
    digitalWrite(ledB, LOW);
  }else if (pocitadlo == 2){
    digitalWrite(ledR, LOW);
    digitalWrite(ledG, HIGH);
    digitalWrite(ledB, LOW);
  }else if (pocitadlo == 3){
    digitalWrite(ledR, LOW);
    digitalWrite(ledG, LOW);
    digitalWrite(ledB, HIGH);
  }else if (pocitadlo == 4){
    pocitadlo = 1;
  }
}