#include <bits/stdc++.h>

using namespace std;

int main()
{
    int N, x;
    cout << "N="; cin >> N;
    map <int, int> E;
    for (int i=1; i<=N; i++)
    {
        cin>>x;
        E[x]=i;
    }
    int mini=INT_MAX;
    map <int, int> :: iterator y;
    for (y=E.begin(); y!=E.end(); y++)
    {
        if (y->second<mini) mini=y->second;
    }
    cout << mini;
    return 0;
}