public class Question1 {
    public static void main(String[] args) {
        for (int i = 102; i < 1000; ++i){
            String x = "" + i;
            if (x.contains("1")){
                if (!x.contains("11") && !(x.charAt(0) == '1' && x.charAt(2) == '1'))
                System.out.println(i);
            }
        }
    }
}