#include<reg51.h>  
    
    unsigned int x,y,a,b,c;

  
    
    void delay(unsigned int time)

        {

         

                   for(x=0;x<time;x++);
                   for(y=0;y<time;y++);
                       for(a=0;a<time;a++);
                         for(b=0;b<time;b++);
                            for(c=0;c<time;c++);
          
   
        }