#include<stdio.h>

void swapMinMax(int *arr,int n){
    int *min = arr;
    int *max = arr;
    
    for (int i=1;i<n;i++){
        if(*(arr + i)<*min)
           min =arr +i;
        if(*(arr+i)>*max)
           max =arr +i;
    }
    int temp =*min;
    *min = *max;
    *max = temp;
}
int main()
{
    int n;
    scanf("%d",&n);
    
    if (n<=0){
        printf("Invalid Input");
        return 0;
    }
    int arr[n];
    for(int i=0;i<n;i++){
        if(scanf("%d",&arr[i])!=1){
        printf("Invalid Input");
    }
    return 0;
}