#include <LiquidCrystal.h>
LiquidCrystal lcd(18,5,17,16,4,0);
const int btnlnc_1 =12;
const int btnDEC_1 =14;
const int btnlnc_2 =27;
const int btnDEC_2 =26;
const int btnReset =25;
int count1=0,count2=0;

void setup() {
  // put your setup code here, to run once:
  pinMode(btnlnc_1, INPUT_PULLUP);
  pinMode(btnDEC_1, INPUT_PULLUP);  
  pinMode(btnlnc_2, INPUT_PULLUP);
  pinMode(btnDEC_2, INPUT_PULLUP);
  pinMode(btnReset, INPUT_PULLUP);
  lcd.begin(16,2);
  lcd.print("Counter Program");
  delay(1000);
  update_lcd_count();
}

void loop() {
  // put your main code here, to run repeatedly:
 if(digitalRead(btnlnc_1)==0){
  count1++;
  update_lcd_count();
  }
  if(digitalRead(btnDEC_1)==0){
    count1--;
    update_lcd_count();
  }
  if(digitalRead(btnlnc_2)==0){
    count2++;
    update_lcd_count();
  }
  if(digitalRead(btnDEC_2)==0){
    count2--;
    update_lcd_count();
  }
  if(digitalRead(btnReset)==0){
    count1=0;
    count2=0;
    update_lcd_count();
  }
}
void update_lcd_count(void){
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("Count1:");
  lcd.print(count1);
  lcd.setCursor(0,1);
  lcd.print("Count2:");
  lcd.print(count2);
  delay(500);
}