猜生日

package test;

public class 猜生日 {
    public static void main(String arg[])
    {
        for(int i = 20110630;;i--)
        {
            String str=""+i;
            int year=Integer.parseInt(str.substring(0, 4));
            int month=Integer.parseInt(str.substring(4, 6));
            int day=Integer.parseInt(str.substring(6, 8));
            
            if(!(i%2012==0&&i%3==0&&i%12==0))
                continue;
            if(month!=6)
                continue;
            if(day>31||day==0)
                continue;
            System.out.println(i);
            break;
        }
    }

}