#include<stdio.h>
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++)
    scanf("%d", &arr[i]);
}

    for (int i = 0; i < n; i++)
    {
        int duplicate = 0;
        for (int )
    }