void Msort(int *N, int size)
{
    int less_index;
    for(int i = 0; i < size - 1; i++)
    {
        less_index = i;
        for(int j = i + 1; j < size; j++)
        {
            if(N[less_index] > N[j])
            {
                less_index = j;
            }
        }
        if(less_index != i)
        {
            int temp = N[i];
            N[i] = N[less_index];
            N[less_index] = temp;
        }
    }
}