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#include <cstdio>

const int memory = (1 << 20);
int input[memory];

inline void printTo(int n) {
    for (int i = 0; i < n; ++i)
        printf("%d ", input[i]);
    printf("\n");
}

inline void printDownTo(int n) {
    for (int i = n - 1; !(i & 0x80000000); --i)
        printf("%d ", input[i]);
    printf("\n");
}

int main() {
    int n, t;
    scanf("%d %d", &n, &t);
    int numOfElems = 1;
    for (int j = 0, i = 0; i < n; ++i) {
        numOfElems <<= 1;
        --j;
        while (++j < numOfElems)
            scanf("%d", &input[j]);
    }
    if (t % 2)
        printDownTo(numOfElems);
    else
        printTo(numOfElems);
    return 0;
}