using System;
using System.Globalization;
public class MainClass {
public static void Main() {
GregorianCalendar myCal = new GregorianCalendar();
// Displays the value of the CurrentEra property.
Console.Write( "CurrentEra:" );
for ( int y = 2001; y <= 2005; y++ )
Console.Write( "\t{0}", myCal.GetDaysInMonth( y, 2, GregorianCalendar.CurrentEra ) );
}
}