#include <stdio.h>
void swapMaxMin(int *arr, int n) {
    int *maxPtr = arr;
    int *minPtr = arr;
    for (int i = 1; i < n; i++) {
        if (*(arr + 1) > *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")
}