#include <stdio.h>

int main(void) {
    int n;
    int a, b, c, d;
    printf("正の整数を入力してください: ");
    scanf("%d", &n);

    for (a = 0; a <= 9; a++) {
        for (b = 0; b <= 9; b++) {
            for (c = 0; c <= 9; c++) {
                for (d = 0; d <= 9; d++) {
                    if ((a - b) * c + d == n) {
                        printf("(%d-%d)*%d+%d=%d\n", a, b, c, d, n);
                    }
                }
            }
        }
    }

    return 0;
}