import java.io.IOException;

public class FindLengthOf
{
   public static void main( String[] args ) throws IOException
   {
      Play document = new Play( args[0] );
      int  length   = Integer.parseInt( args[1] );
      
      System.out.println( "The play in the file " + args[0] +
                          " contains " + document.wordsOfLength( length ) +
                          " words of " + length + " characters." );
   }
}