#include <LiquidCrystal.h>

LiquidCrystal lcd(13, 12, 11, 10, 9, 8);

int buttonCounter = 2;
int buttonReset = 3;

int butt1 = LOW;
int butt2 = LOW;
int counter = 0;

void setup() {
  pinMode(buttonCounter, INPUT_PULLUP);
  pinMode(buttonReset, INPUT_PULLUP);

  lcd.begin(16, 2);
  lcd.setCursor(0, 0);
  lcd.print(counter);
}

void loop() {
  butt1 = digitalRead(buttonCounter);
  butt2 = digitalRead(buttonReset);

  if (butt1 == LOW) {
    counter++;
    lcd.setCursor(0, 0);
    lcd.print(counter);
    delay(300);
  }

  if (butt2 == LOW) {
    counter = 0;
    lcd.setCursor(0, 0);
    lcd.print("                ");
    lcd.setCursor(0, 0);
    lcd.print(counter);
    delay(300);
  }
}