#include <LiquidCrystal.h>

int rs = 12, en = 10, d4 =5, d5 = 4, d6 = 3, d7 = 2;
LiquidCrystal lcd (rs, en, d4, d5, d6, d7);
void setup() {
  lcd.begin(16,2);// put your setup code here, to run once:
}
void loop() { 
  lcd.home(); 
  lcd.println("Hello"); 
  delay(1000); 
  lcd.println(20, DEC); 
  delay(1000); 
  lcd.setCursor(0,1);
  lcd.print(20,HEX); delay(1000); 
  lcd.setCursor(3,1); 
  lcd.print(20, OCT); 
  delay(1000); 
  lcd.setCursor(6,1);
   lcd.print(20,BIN);
   delay(1000);
}