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public class
 WHSchleifen {
    public static void
 main(String[] args) {
        int
 zaehler;
        zaehler = 0
;
        while(zaehler < 3
) {
            zaehler = zaehler + 1
;
            System.out.print
(zaehler);
        }
        System.out.print
(zaehler);
    }
}