//
// See https://theweeklychallenge.org/blog/perl-weekly-challenge-149
//

//
// Run as: ln ch-2.java ch2.java; javac ch2.java; java ch2 < input-file
//

import java.util.*;

public class ch2 {
    public static void main (String [] args) {
        int max_base = 25;
        String [] A287298 = new String [26];
        A287298 [ 0] =                          "";
        A287298 [ 1] =                          "";
        A287298 [ 2] =                         "1";
        A287298 [ 3] =                         "1";
        A287298 [ 4] =                      "3201";
        A287298 [ 5] =                      "4301";
        A287298 [ 6] =                    "452013";
        A287298 [ 7] =                   "6250341";
        A287298 [ 8] =                  "47302651";
        A287298 [ 9] =                 "823146570";
        A287298 [10] =                "9814072356";
        A287298 [11] =               "A8701245369";
        A287298 [12] =              "B8750A649321";
        A287298 [13] =              "CBA504216873";
        A287298 [14] =            "DC71B30685A924";
        A287298 [15] =           "EDAC93B24658701";
        A287298 [16] =          "FED5B39A42706C81";
        A287298 [17] =          "GFED5A31C6B79802";
        A287298 [18] =        "HGF80ADC53712EB649";
        A287298 [19] =       "IHGFD3408C6E715A2B9";
        A287298 [20] =      "JIHG03DAC457BFE96281";
        A287298 [21] =                          "";
        A287298 [22] =    "LKJIG5D14B9032FHAC867E";
        A287298 [23] =   "MLKJEFG5IC1D9H8042AB376";
        A287298 [24] =  "NMLKJ2BD0639GFE7C8IH5A41";
        A287298 [25] = "ONMLKD8CJE2H47F6395I0B1AG";
    
        Scanner scanner = new Scanner (System . in);
        while (scanner . hasNextInt ()) {
            int n = scanner . nextInt ();
            if (n > max_base || A287298 [n] . length () == 0) {
                System . out . println ("Too hard to calculate");
            }
            else {
                System . out . printf ("%s\n", A287298 [n]);
            }
        }
    }
}