//------------
// Introduction to Programming Using Java: An Object-Oriented Approach
//	Arnow/Weiss
//------------
// the extremeObjects loop
// Chapter 9, Section 9.6, Page 341
// MODIFICATIONS:
//    We have placed the loop in a static private method printLongest that prints
//	the longest String in a Vector that it receives as a parameter
//    We have provided a main method that initializes a Vector
//      of Strings an invokes the private method.

import java.io.*;
import java.util.*;

public class Demo_extremeObjects {
	private static void printLongest(Vector v) {
		////////////////////////////////////////////////////////////////////
		Enumeration    e = v.elements();
		String  s;
		String  longest = null;	// The longest String encountered so far or null
					//      if no String has been encountered.
		while (e.hasMoreElements()) {
			s = (String) e.nextElement();
			if (longest==null || s.length()>longest.length())
				longest = s;
		}
		System.out.println("Longest String is ".concat(longest));
		////////////////////////////////////////////////////////////////////
	}

	public static void main(String[] a) throws Exception {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		Vector v = new Vector();
		String line = br.readLine();
		while (line!=null) {
			v.addElement(line);
			line = br.readLine();
		}
		printLongest(v);
	}
}

// Here is some sample input for this program:
// April is the cruelest month.
// All the world's a stage.
// My only regret is that I have but one life to give my country.
// Thou shallt not take a life.
// I will not tailor my thoughts to suit the fashions of the moment.