#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>

#define A 12
#define B 12 + 5
#define add_5(n) (n + 5)  // almost fixed
#define triple(n) (n * 3)  // BUG!!!!

int main(int argc, char* argv[]) {
    printf("A == %d\n", A);
    printf("B == %d\n", B);
    printf("B * 2 == %d\n", B * 2);
    // => printf("B * 2 == %d\n", 12 + 5 * 2);
    
    printf("add_5(10) == %d\n", add_5(10));
    printf("add_5(10) * 1000 == %d\n", add_5(10) * 1000);

    printf("triple(5) == %d\n", triple(5));
    printf("triple(5 + 1) == %d\n", triple(5 + 1));
    
    return EXIT_SUCCESS;
}
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