#include <stdio.h>

int main()
{
   unsigned char a = 076;
   printf("Num: %d\n", a);

   unsigned char m1 = 0377;

   if ((a & m1) == m1)
      printf("All bits in a are 1\n");
   else 
      printf("Not all bits in a are 1\n");

   unsigned char m2 = 0003;

   if ((a & m2) == m2)
      printf("Last 2 bits in a are 1\n");
   else 
      printf("Last 2 bits in a are NOT 1\n");

   return 0;
}