#include <iostream>
#include <string>
#include <algorithm>
const int inf = 0x3f3f3f3f;
using namespace std;
int main()
{
int N,c;
cin>>N;
string name[110];
string s;
int b[110];
for(int i = 0;i<N;i++){
cin>>name[i];
s = name[i];
b[i] = s.length();
}
int max = -inf;
for(int i = 0;i < N;i++){
if(b[i]>max){
max = b[i];
c = i;
}
}
cout<<name[c];
return 0;
}