Toph - word count

#include<bits/stdc++.h>
using namespace std;
#define fast()(ios_base::sync_with_stdio(false),cin.tie(NULL));
map<string,int>mp;
string ans;
int mx=0;
void counting(string s)
{
    mp[s]++;
    if(mp[s]>mx)mx=mp[s],ans=s;
}
int main()
{
    string a;
    while(cin>>a)counting(a);
    return cout<<ans<<endl,0;
}