template<typename T>
void binaryOut(T n, int b1, int b2)
{
    int start = sizeof(T) * 8 - 1;
    if (b1 == -1) b1 = start + 1;
    else b1--;

    if (b2 == -1) b2 = start + 1;
    else b2--;

    for (int i = start; i >= 0; i--)
    {
        if (i == b1 || i == b2)
        {
            cout << '[' << ((n & (1 << i)) >> i) << ']';
        }
        else cout << ((n & (1 << i)) >> i);
    }

    cout << endl;
}