int led=5;
int Switch=6;
#include <LiquidCrystal.h>
LiquidCrystal Lcd (8,9,10,11,12,13);

void setup()
{
  pinMode(led, OUTPUT);
  pinMode(Switch, INPUT);
  Lcd.begin(16,2);

}
void loop()
{
  int a;
  a=digitalRead(Switch);
  if(a==1)
  {
    digitalWrite(led,HIGH);
     Lcd.clear();
    Lcd.setCursor(0,0);
    Lcd.print("ON");
    delay(1000);
  }
  else
  {
    digitalWrite(led, LOW);
    Lcd.setCursor(0,0);
    Lcd.print("OFF");
   //delay(1000);
  }
}