#include <stdio.h>
#include <stdlib.h>
 
void input_check (int start, int stop)
{
     if (( 0 <= start) && (start <= stop) && (stop <= 255))
 
         return;
 
         else
             exit(1);
}
 
int powerup (int m, int h)
{
    int z = m;
    int i = 0;
 
    if (h == 0)
       return 1;
    for (i = 1; i < h; i++)
    {
        z = z * m;
    }
 
    return z;
}
 
 
void convert (int y)
{
    int i;
    int check, conver;
    for (i = 7; i >= 0; i--)
    { 
        check = conver(2, i)
        if (y >= check)
        {
              printf("1");
              y = y - check;
        }
        else
            printf("0");
        }
     return;         
}
 
 
int main(void)
{
    int start = 0; 
    int stop = 0;
    int t = 0;
 
 
printf(" Please enter a start number:  ");
scanf(%d, &start);
printf(" Please enter a stop number:  ");
scanf(%d, &stop);
 
{
         input_check (start, stop);
 
         for(t = start; t <= stop; t++)
         {
               printf("%d ", t);
               convert ( t);
               printf("\n");
         }          
 
 
}
}

void foo(){
  return;
}

void foo(){
  int retvalue;

  return retvalue;
};