11/28 C: Function (main.c)

#include <stdio.h>
#include "sum.h"

int main(){
    int a, b;
    scanf("%d%d", &a, &b);

    // int sumA = sum(a);
    /*
        int sumA = sum(5);
        => int sumA = 15;
        int sumA = sum(5) * 8 + 4;
        => int sumA = 15 * 8 + 4;
    */
    // int sumB = sum(b);

    printf("%d\n", sum(a));
    printf("%d\n", sum(b));

    return 0;
}