import java.util.*;

public class excepttest
{
  static Scanner kb = new Scanner(System.in);

  public static void main(String[] args)
  {
    String s;
    int pos;

    System.out.println("\nEnter data with at least one colon:");
    while (kb.hasNext())
    {
      try
      {
        s = kb.nextLine();
        pos = s.indexOf(":");
        if ( pos == -1 )
          throw new DataFormatException();
        else
          System.out.println("The value entered is " + s);
      }
      catch (DataFormatException dfeRef)
      {
        System.out.println(dfeRef);
      }
      catch (Exception eRef)
      {
        System.out.println(eRef);
      }

      System.out.println("\nEnter data with at least one colon:");
    }
  }
}