#include <stdio.h>

void cal(int x, int y, int *sum, int *diff, int *mul, int *mod) {
    *sum = x + y;
    *diff = (x > y) ? (x - y) : (y - x);  // 差の絶対値を格納
    *mul = x * y;
    *mod = x / y;  // 商（小数点以下を切り捨て）
}

int main(void) {
    int x = 3, y = 5;
    int sum, diff, mul, mod;

    cal(x, y, &sum, &diff, &mul, &mod);

    printf("%dと%dの和は%d\n", x, y, sum);
    printf("%dと%dの差は%d\n", x, y, diff);
    printf("%dと%dの積は%d\n", x, y, mul);
    printf("%dと%dの商は%d\n", x, y, mod);

    return 0;
}