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#include <cstdio>


int main()
{
    unsigned int n, t;

    scanf("%u %u", &n, &t);


    unsigned int* a = new unsigned int[1 << 20];

    unsigned int p2 = 1 << n;

    for (int i = 0; i < p2; ++i)
    {
        scanf("%u", &a[i]);
    }

    if (t % 2 == 0)
    {
        for (int i = 0; i < p2; ++i)
        {
            printf("%u ", a[i]);
        }
    }
    else
    {
        for (int i = p2 - 1; i >= 0; --i)
        {
            printf("%u ", a[i]);
        }
    }


    return 0;
}