#include<stdio.h>
void swapMaxMin(int *arr, int n)
{
    int *maxPtr = arr;
    int *minPtr = arr;
    for (int i = 1; i < n; i++)
    {
        if(*(arr + i) > *maxPtr)
        {
            maxPtr = arr + i;
        }
        if(*(arr + i)  < *minPtr)
        {
            minPtr = arr + i;
        }
    }
        int temp =  *maxPtr;
        *maxPtr = *minPtr;
        *minPtr = temp;
    }
    int main()
    {
        int n;
        scanf("%d",&n);
        if (n <= 0 || n > 1000)
        {
            printf("Invalid Input\n");
            return 0;
        }
        int arr[1000];
        for (int i = 0; i < n; i++)
        {
            scanf("%d",&arr[i]);
            if(arr[i] < -1000 || arr[i] >1000)
            {
                printf("Invalid Input\n");
               return 0;
        }
    }
    swapMaxMin(arr, n);
    for (int i = 0; i < n; i++)
{
    printf("%d ",arr[i]);
}
printf("\n");
return 0;
}
}