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#include <stdio.h>
#include <stdlib.h>

int main(void)
{
    int i, n, t, *a;

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

    n = 1 << n;
    a = malloc(n * sizeof (*a));

    for (i = 0; i < n; i++)
        scanf("%d", a + i);

    if (t & 1)
        for (i = n - 1; i >= 0; i--)
            printf("%d ", a[i]);

    else
        for (i = 0; i < n; i++)
            printf("%d ", a[i]);

    printf("\n");
    free(a);
    return 0;
}