/*
* 风之彩
* email: [email protected]
*/
#include <iostream>
#include <map>
#include <string>
using namespace std;
int main()
{
map<string , int>counts;
string str;
int Num;
while(cin>>Num && Num!=0)
{
counts.clear();
for(int i=0;i<Num;i++)
{
cin>>str;
++counts[str];
}
int max;
map<string,int>::const_iterator iter=counts.begin();
max=iter->second;
for(;iter!=counts.end();iter++)
if(max < iter->second){max=iter->second;str=iter->first;}
cout<<str<<endl;
}
return 0;
}
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