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