#include <bits/stdc++.h>
using namespace std;
#define f(i,k,n) for(int i=k; i<n; i++)
#define ll long long
const int inf = INT_MAX;

void solve()
{
    int n;
    cin>>n;
    vector<ll> a(n);
    set<ll> s;
    set<ll> x;
    int maxi=0;
    f(i,0,n)    
    {
        cin>>a[i];
        s.insert(a[i]);
    }
    f(i,1,n)
    {
        for(int j=i; j<n; j++)    x.insert(a[j]);
        if(x==s)    maxi=i;
        x={};
    }
    cout<<maxi+1;
}

int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    int t=1;
    //cin>>t;
    while(t--)  solve();
    return 0;
}