public class OdometerLoops {
	public static void main( String[] args ) throws Exception {
		for ( int thous=0; thous<10; thous++ ) {
			for ( int hund=0; hund<10; hund++ ) {
				for ( int tens=0; tens<10; tens++ ) {
					for ( int ones=0; ones<10; ones++ ) {
						System.out.print( " " + thous + "" + hund + "" + tens + "" + ones + "\r" );
						Thread.sleep(10);
					}
				}
			}
		}

		System.out.println();
	}
}