#include <stdio.h>
int main() {
    int n;
    if (scanf("%d", &n) != 1 || n < 0 || n > 10) 
    {
        printf("Invalid input");
        return 0;
    }
    int arr[n]; 
    for (int i = 0; i < n; i++) 
    {
        if (scanf("%d", &arr[i]) != 1 || arr[i] < -10 || arr[i] > 10)
        {
            printf("Invalid input");
        }
    }
    for (int i = 0; i < n; i++) 
    {
        printf("%d ", arr[i]);
    }
    printf("\n");
    for (int i = 0; i < n / 2; i++) 
    {
        int temp = arr[i];
        arr[i] = ar
    }
    for (int i = 0; i < n; i++)
    {
        printf("%d ", arr[i]);
    }
    return 0; 
}