Four Mode Selection (16x2 LCD Keypad Shield)

/*
  16x2 LCD Keypad Shield - Button Modes (Basic)
  by Saeed Hosseini @ Electropeak
  https://electropeak.com/learn/
  modified on 25 Aug 2021 by Oliver Kuy
*/

#include <LiquidCrystal.h>

//LCD pin to Arduino
const int pin_RS = 8;
const int pin_EN = 9;
const int pin_d4 = 4;
const int pin_d5 = 5;
const int pin_d6 = 6;
const int pin_d7 = 7;

const int pin_BL = 10;

LiquidCrystal lcd( pin_RS,  pin_EN,  pin_d4,  pin_d5,  pin_d6,  pin_d7);

int R = 0;
int U = 0;
int D = 0;
int L = 0;

void setup() {
  lcd.begin(16, 2);
  lcd.setCursor(0, 0);
  lcd.print("Select a button:");
}

void loop() {
  int x;
  x = analogRead (0);

  if (x < 60) {
    R = 1; //Right;
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print ("Right Pressed");
    lcd.setCursor(0, 1);
    lcd.print ("Press Select");
    U = 0;
    D = 0;
    L = 0;
  }
  else if (x < 200) {
    U = 1; //Up;
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print ("Up Pressed");
    lcd.setCursor(0, 1);
    lcd.print ("Press Select");
    R = 0;
    D = 0;
    L = 0;
  }
  else if (x < 400) {
    D = 1; //Down;
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print ("Down Pressed");
    lcd.setCursor(0, 1);
    lcd.print ("Press Select");
    R = 0;
    U = 0;
    L = 0;
  }
  else if (x < 600) {
    L = 1; //Left;
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print ("Left Pressed");
    lcd.setCursor(0, 1);
    lcd.print ("Press Select");
    R = 0;
    U = 0;
    D = 0;
  }

  else if (x < 800) {
    if (R == 1) {
      lcd.clear();
      lcd.setCursor(0, 0);
      lcd.print ("Right Button");
      lcd.setCursor(0, 1);
      lcd.print ("Selected");
      R = 0;
      // Your code here
    }
    if (U == 1) {
      lcd.clear();
      lcd.setCursor(0, 0);
      lcd.print ("Up Button");
      lcd.setCursor(0, 1);
      lcd.print ("Selected");
      U = 0;
      // Your code here
    }
    if (D == 1) {
      lcd.clear();
      lcd.setCursor(0, 0);
      lcd.print ("Down Button");
      lcd.setCursor(0, 1);
      lcd.print ("Selected");
      D = 0;
      // Your code here
    }
    if (L == 1) {
      lcd.clear();
      lcd.setCursor(0, 0);
      lcd.print ("Left Button");
      lcd.setCursor(0, 1);
      lcd.print ("Selected");
      L = 0;
      // Your code here
    }
  }
}