#include <LiquidCrystal.h>
LiquidCrystal lcd(12,11,10,9,8,7);    //RS, E, D4 .... D7

void setup() {
  lcd.begin(16,2);    //16 stolpcev in 2 vrstici
  pinMode(0, INPUT_PULLUP);
  pinMode(1, INPUT_PULLUP);
  pinMode(2, INPUT_PULLUP);
  pinMode(3, INPUT_PULLUP);
  randomSeed(analogRead(A0));
}

void loop() {
  static int counter= 0;
  int value = analogRead(A0);
  
  if(digitalRead(0) == LOW) counter++;
  lcd.setCursor(0,1);
  lcd.print("Count: ");
  lcd.print(counter);

  if(digitalRead(1) == LOW) counter--;
  lcd.setCursor(0,1);
  lcd.print("Count: ");
  lcd.print(counter);

  if(digitalRead(2) == LOW) counter = 0;
  lcd.setCursor(0,1);
  lcd.print("Count: ");
  lcd.print(counter);

  int a = 0;

  if(digitalRead(3) == LOW){
    a = random(0,10);
    lcd.setCursor(0,0);
    lcd.print("Random: ");
    lcd.print(a);
  }
  delay(300);
}