map容器

#include<iostream>
#include<map>
#include<string>

using namespace std;

int n,maxNum;
string a;
string maxColor;
map<string,int> ballon;
int main()
{

    while(cin>>n)
    {

        if(!n)break;
        maxNum = 0;
        ballon.clear();
        
       for(int i=0;i<n;i++){

    cin>>a;
                ballon[a]++;
        }
        map<string,int>::iterator ite;
        for(ite = ballon.begin();ite!=ballon.end();ite++){
            if(ite->second >maxNum){
                maxNum = ite->second;
                maxColor = ite->first;
            }
        }
        cout<<maxColor<<endl;
    }
    return 0;
}