#include<iostream>

#include<cstdio>

#include<map>

#include<string>

#include<cstring>

using namespace std;

void solve()

{

    int T, max, t;

    map<string, int> color_count;

    string color;

    while(cin>>T && T) {

        max = ;

        while(T--) {

            cin>>color;

            ++color_count[color];

        }

        map<string, int>::const_iterator ii, it;

        it = color_count.begin();

        while(it != color_count.end()) {

            if(max < it->second) {

                max = it->second;

                ii = it;

            }

            it++;

        }

        cout<<ii->first<<endl;

        color_count.clear();

    }

}

int main()

{

    solve();

    return ;

}