#ifndef POINTER03_H_
#define POINTER03_H_

#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cassert>

void array_swap (int *arr[]);

int main ()
{
    int n;
    scanf("%d", &n);
    
    int **arr = (int **) malloc(sizeof(int*[n + 1]));
    int **brr = (int **) malloc(sizeof(int*[n + 1]));
    for (int i = 0; i < n; i++)
    {
        arr[i] = brr[i] = (int *) malloc(sizeof(int));
        scanf("%d", arr[i]);
    }
    arr[n] = brr[n] = NULL;

    array_swap(arr);

    for (int i = 0; i < n; i++)
    {
        if (arr[i] != brr[i])
        {
            printf("peach found someone cheating!\n");
            return 0;
        }
        printf("%d%c", *arr[i], " \n"[i == n - 1]);
    }

    if (arr[n] != NULL)
    {
        printf("peach found someone cheating!\n");
        return 0;
    }
}
#endif // POINTER03_H_