int X = 0;
int blokuj = 0;

bool dajo = true;
bool daco = true;

#include <LiquidCrystal.h>
LiquidCrystal lcd = LiquidCrystal(13,12,7,6,5,4);

void setup() 
{
digitalWrite(2, HIGH);
digitalWrite(3, HIGH);
pinMode(3, INPUT_PULLUP);
pinMode(2, INPUT_PULLUP);
 lcd.begin(16,2);
 }
void loop() 
{
    if (digitalRead(3) == LOW && dajo == true && X < 10){
 dajo = false;
 X ++;
 lcd.home();
 lcd.print(X);
 lcd.print(" ");
 delay(200);
 }
 if (digitalRead(3) == HIGH && dajo == false ) 
 {
dajo = true;
}
    if (digitalRead(2) == LOW && daco == true && X > -1)
    {
  daco = false;
 X --;
 lcd.home();
 lcd.print(X);
 lcd.print(" ");
  delay(200);
  }
 if (digitalRead(2) == HIGH && daco == false)
 {
daco = true;
}
}