#include <bits/stdc++.h>
using namespace std;
int x[20000];
int main ()
{
    int n,a=0,b=0,c=1,d=0;
    cin>>n;
    for (int h=1;h<=n;h++)
    {
        cin>>x[a++];
    }
    for (int i=1;i<=n;i++)
    {
        b++;
        for (int j=1;j<=n;j++)
        {
            if (x[b]==x[c])
            {
                x[c]=-114514;   
            }
            c++;
        }
    }
    for (int k=1;k<=n;k++)
    {
        if (x[d]!=-114514)
        {
            cout<<x[d]<<" ";
        }
        d++;
    }
}
/**************************************************************
    Problem: 1697
    User: 240225
    Language: C++
    Result: 运行错误
****************************************************************/