public static boolean splitEqualMult(int[] a)
    {
        return a != null ? splitEqualMult(a, 0, 1, 1) : false;
    }

    private static boolean splitEqualMult(int[] a, int i, int mult1, int mult2)
    {
        return i > a.length - 1 ? mult1 == mult2 : (splitEqualMult(a, i + 1, mult1 * a[i], mult2) || splitEqualMult(a, i + 1, mult1, mult2 * a[i]));
    }