import java.util.Scanner;
  public class Stemmer
  {
    public static void main (String []args)
    {
  Scanner keyboard = new Scanner (System.in);
  {
 while (keyboard.hasNext())
  {
  String word = keyboard.next();

 //int ing, sses, ies, s, eed, ed;
int ending;
  System.out.println("Put a word" );
if
  (word.length() > 4 && word.endsWith("ing"))
{
      ending = word.lastIndexOf ("ing");
    System.out.println(word.substring(0, ending ));
                       }   else if
                       (word.endsWith("sses"))
                       {
      ending = word.lastIndexOf("es");
    System.out.println(word.substring(0, ending ));
                       } else  if  (word.endsWith("ies"))
                                      {   String newWord;

    newWord = word.replace("ies", "y");
    System.out.println(newWord);
         } else if  (word.endsWith("s") && !word.endsWith("sses") && !word.endsWith("ies") && !word.endsWith("ss"))
              { ending = word.lastIndexOf ("s");
    System.out.println(word.substring(0, ending ));
            } else if (word.length() > 4 && word.endsWith("eed"))
              {ending = word.lastIndexOf ("d");
    System.out.println(word.substring(0, ending ));
               } else if ((word.length() > 4) && word.endsWith("ed") && !word.endsWith("eed"))
              {ending = word.lastIndexOf ("ed");
                 System.out.println(word.substring(0, ending ));
               } else
               { System.out.println (word);
               }
               }
  }
  }
  }