#include<bits/stdc++.h> using namespace std; int main() { int n=100000, max=-1000000; int a[n]; string b[n], m; for(int i=0;i<n;i++) { cin>>b[i]; char last=b[i].back(); if(last=='.') { b[i]=b[i].substr(0, b[i].size()-1); } a[i]=b[i].size(); if(a[i]>max) { max=a[i]; m=b[i]; } if(last=='.') { break; } } cout<<m; return 0; }