#include <stdio.h>
#include <stdlib.h>  // abs関数を使うために必要
 
// 計算を行う関数 cal の定義
void cal(int x, int y, int *sum, int *diff, int *mul, int *mod) {
    *sum = x + y;              // 和
    *diff = abs(x - y);        // 差（絶対値）
    *mul = x * y;              // 積
    *mod = x / y;              // 商（小数点以下を切り捨て）
}
 
int main() {
    int x, y;
    int sum, diff, mul, mod;
 
    // ユーザーからxとyの入力を受け取る
    printf("整数xを入力してください: ");
    scanf("%d", &x);
    printf("整数yを入力してください: ");
    scanf("%d", &y);
 
    // 関数 cal を呼び出し、結果をポインタ経由で格納
    cal(x, y, &sum, &diff, &mul, &mod);
 
    // 結果を表示
    printf("和: %d\n", sum);
    printf("差: %d\n", diff);
    printf("積: %d\n", mul);
    printf("商: %d\n", mod);
 
    return 0;
}

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