#include<bits/stdc++.h>
using namespace std;
long long a[100005],n;
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    if (fopen("bxh1.inp", "r"))
    {
        freopen("bxh1.inp", "r", stdin);
        freopen("bxh1.out", "w", stdout);
    }
    cin >> n;
    for (long long i=1; i<=n; i++)
    {
        cin >> a[i];
    }
    sort(a+1,a+1+n,greater<long long>());
    long long res=1,point=1;
    for (long long i=2; i<=n; i++)
    {
        if(a[i]!=a[i-1])
        {
            point++;
        }
        res+=point;
    }
    cout << res;
}