#include <stdio.h>
#define KWAD(x) ((x) * (x))

int main(void) {
    int i = 7;
    printf("%d\n", KWAD(8));
    printf("%d\n", KWAD(4 + 4));
    printf("%d\n", KWAD(++i));
    getchar();
    return 0;
 }