#include <LiquidCrystal.h>
LiquidCrystal lcd(7,6,5,4,3,2);

int cislo = 0;
bool x = true;
bool y= true;

void setup() {
pinMode(12, INPUT);
pinMode(11, INPUT);
digitalWrite(12, HIGH);
digitalWrite(11, HIGH);
lcd.begin(16,2);
lcd.setCursor(0,0);
}

void loop() {
  if(digitalRead(12)== LOW && x == true)
  {
  lcd.clear();
  cislo ++;
  lcd.print(cislo);
  x = false;
  }

  else if(digitalRead(12)== HIGH && x == false)
    x = true;

  if(digitalRead(11)== LOW && y == true)
  {
    lcd.clear();
    cislo --;
    lcd.print(cislo);
    y = false;
  }

  else if(digitalRead(11)== HIGH && y == false)
    y = true;
 
}