#include <iostream>
#include <list>
#include <fstream>
#include <algorithm>
#include <cmath>
#include <cstdlib>
#include <iomanip>
#include <map>
#include <set>
#define eps 0.1
using namespace std;
long long prod(long long x){
    long long t=0;
    long long res=1;
    while(true){
        res*=x%10;
        x/=10;
        if (x==0)
            break;
    }
    return res;
}
int max1(int x, int y){
    return (x>y?x:y);
}
int min1(int x, int y){
    return (x<y?x:y);
}

int main()
{
    //ifstream fin("file.in");
    //ofstream fout("file.out");
    long long n, m;
    long long res=0;
    long long min, max;

   // cin.sync_with_stdio(false);
    //cout.sync_with_stdio(false);
    //int[] sett;
    map<int, int> mapp;
    cin >> n;
    int ll;
    for (int i=0; i<n; i++){
        cin >> ll;
        mapp[ll]++;
    }
    max;
    bool b;
    //bool[] b={};
    int prev;
    while (true){
        b = false;
        for (auto &mm:mapp){
            res++;
            mapp[mm.first]--;
            int mmm=mapp[mm.first];
            if (mmm<1)
                mapp.erase(mm.first);
            //cout << mm.first << ' ' ;
            b = true;
        }
        res--;
        if (!b)
            break;
    }
    res++;
    cout << res;
    //fin.close();
    //fout.close();
    return 0;
}