#include<stdio.h>
int main() {
    int i, j, n, x, c, arr[10000];
    scanf("%d", &n);
    for (i = 1; i <= n; i++) { scanf("%d", &arr[i]); }

    {
        for (j = 1; j <= n; j++)
            for (x = 1; x <= n; x++)
                if (arr[j] == arr[x] && j != x) { arr[x] = 0; }
    }
    for (c = 1; c <= n; c++)
        if(arr[c]!=0)
            printf("%d ", arr[c]);
    return 0;

}