#include <stdio.h>

int main (void) 
{
   int a, b, c, d, e, f;

   int i = 30;
   int j = 0;
  
   a = i & j;
   b = ~j;
   c = ~i;

   float x = 30.0;
   float y = 0.0;
 
   d = x | y;
   e = ~y;
   f = ~x;

   printf("a = %d\nb = %d\nc = %d\nd = %d\ne = %d\nf = %d\n", a, b, c, d, e, f);

   return 0;
}