#include <LiquidCrystal_I2C.h>
int A,B,C,D;
LiquidCrystal_I2C lcd(0x27,20,4);  // set the LCD address to 0x27 for a 16 chars and 2 line display

void setup()
{ 

}
 


void loop()
{ lcd.init();                      // initialize the lcd
  // Print a message to the LCD.
  lcd.backlight();
  lcd.setCursor(0,0);
  lcd.print("A");
  lcd.setCursor(9,0);
  lcd.print("B");
   lcd.setCursor(18,0);
  lcd.print("C");
  if (D==0 || D!=0)
     { int bitClear(0,10);
     }
}