/* check boolean variables    */
/* boolean algebra operations */
#include <stdio.h>

int main() {
int x,y,z;
int a,b,c,d,e,f;

 x = 10;
 y = 5;
 z = 6;

 b = ((x == y) && (z == x));
 c = ((x > y) && ( x > y)) ;
 printf("Conjunction: %d  %d\n",b,c);
 
 a = ((x == y) || (x > z));
 d = ((x ==y) || (x == z));

 printf("Disjunction: %d  %d\n", a,d);

 e = !(x == y);
 f = !(x > y);

 printf("Negation: %d %d\n", e, f);

 return 0;
}