import java.io. * ;
public class Main {
    public static void main(String[] args) {
        new a();
    }
    static class a { /* I have no idea what I'm doing */
        public static Console i;
        public a() {
            i = System.console(); /* Read in data */
            String t = aa.bb();
            String phg = reddit.ba();
            int r = ca.ab(); /* Output */
            System.out.printf(hj("eW91ciBuYW1lIGlzICVzLCB5b3UgYXJlICVkIHllYXJzIG9sZCwgYW5kIHlvdXIgdXNlcm5hbWUgaXMgJXM=") + "\n", t, r, phg);
        }
        public static String hj(String t) {
            return new String(javax.xml.bind.DatatypeConverter.parseBase64Binary(t));
        }
    }
    static class aa {
        public static String bb() {
            return a.i.readLine(a.hj("SGV5IGd1eSwgd2hhdCdzIHlvdXIgbmFtZT86IA=="));
        }
    }
    static class reddit {
        public static String ba() {
            return a.i.readLine(a.hj("V2hhdCBpcyB5b3VyIHJlZGRpdCB1c2VybmFtZT86IA=="));
        }
    }
    static class ca {
        public static int ab() {
            return Integer.parseInt(a.i.readLine(a.hj("SG93IG1hbnkgeWVhcnMgZG8geW91IHlpZWxkPzog")));
        }
    }
}