ASasda

    cout << "Kerem irja be a torteket: \n";
    tort a, b;
    cout << "A tort erteke: ";
    scanf_s("%d/%d", &b.x, &b.y);
    while (true)
    {
        cout << "A tort erteke: ";
        scanf_s("%d/%d", &a.x, &a.y);
        if (a.y == 0)
            break;
        b.x *= a.y;
        b.y *= a.x;
    }
    cout << b.x << "/" << b.y;