E

#include <bits/stdc++.h>
using namespace std;

#define ll     long long
#define pb     push_back

int main()
{
    int n;
    cin>>n;

    vector<int> a(n);
    for(auto &e: a)   cin>>e;

    vector<vector<ll int>> pos(n+1);
    for(int i=0; i<n; i++)
        pos[a[i]].pb(i);

    ll int ans = 0;

    for(int i=1; i<=n; i++)
    {
        if(!pos[i].size())      continue;

        ll int prev = pos[i][0];

        for(int j=1; j<pos[i].size(); j++)
        {
            ans += j*1ll*pos[i][j] - prev - j*1ll;
            prev += pos[i][j] + j*1ll;
        }
    }

    cout<<ans<<"\n";
}