# include <cstdlib>
# include <iostream>
# include <string>

using namespace std;

int main ( )
//
//  LONGEST_WORD2 is a program which reads string input until end-of-file.
//
//  Strings correspond roughly to words.  A line of text is interpreted as
//  a list of strings separated by blanks.  Thus, this program can read a file
//  and report the length of the longest string of nonblanks.  Of course,
//  this means punctuation and numbers will be included in the count.
//
{
  int length;
  int length_max;
  string w;
  string w_max;

  length_max = 0;
  w_max = "";

  while ( true )
  {
    cin >> w;

    if ( cin.eof ( ) )
    {
      break;
    }
    length = w.length ( );

    if ( length_max < length )
    {
      length_max = length;
      w_max = w;
    }
  }

  cout << "Longest word is \"" << w_max << "\" which has length " << length_max << ".\n";
  return 0;
}