/* File: demorgan.c

   Demonstrating DeMorgan's Law
*/

#include <stdio.h>

int main() {
   char onions, anchovies, cr ;

   printf("Does this pizza have onions (y/n) ?") ;
   scanf("%c%c", &onions, &cr) ;
   printf("Does this pizza have anchovies (y/n) ?") ;
   scanf("%c%c", &anchovies, &cr) ;

   // I won't eat it, if it has either onions or anchovies
   if (onions == 'y' || anchovies == 'y') {
      printf("I hate this pizza!\n") ;
   } else {
      printf("Yum!!\n") ;
   }

   // Me either
   if (! (onions == 'n' && anchovies == 'n') ) {
      printf("I hate this pizza, too!\n") ;
   } else {
      printf("I'm hungry!\n") ;
   }

   return 0 ;
}