#include <stdio.h>

int main(void) {
    int op;
    int a, b, c;

    if (scanf("%d", &op) != 1) {
        return 1;
    }

    if (op < 1 || op > 3) {
        printf("不正な入力です\n");
        return 0;
    }

    switch (op) {
        case 1:
            if (scanf("%d %d", &a, &b) == 2) {
                printf("2*(%d+%d)=%d\n", a, b, 2 * (a + b));
            }
            break;

        case 2:
            if (scanf("%d %d", &a, &b) == 2) {
                printf("%d*%d=%d\n", a, b, a * b);
            }
            break;

        case 3:
            if (scanf("%d %d %d", &a, &b, &c) == 3) {
                printf("%d*%d*%d=%d\n", a, b, c, a * b * c);
            }
            break;
    }

    return 0;
}