Digital Switch

#include <12f683.h>
#fuses NOWDT
#fuses MCLR
#fuses NOBROWNOUT
//#use delay(internal=8000000)
#USE DELAY(INTERNAL=4000000)
#define relay pin_A0
#define boton pin_A1


    VOID MAIN()
{

    output_low(relay);

while(1){

 do{
       delay_ms(50);
   }while(input(pin_a1));
       output_high(relay);
       delay_ms(300);
 do{
      delay_ms(50);
   }while(input(pin_a1));
      output_low(relay);
      delay_ms(300);
  }
}