#include<stdio.h>?
int main()
{
    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]);
    }
    printf("Array after removing duplicates:\n");
    for(int i = 0; i < n; i++){
        int duplicate = 0;
        for(int j = 0; j < i; j++){
            if (arr[i] ==arr[j]){
                duplicate = 1;
                break;
            }
        }
        if(!duplicate){
            printf("%d",arr[i]);
        }
    }
    return 0;
}