1 import java.util.*; 2 import java.io.*; 3  4 class FastReader{ 5     BufferedReader reader; 6     StringTokenizer tokenizer; 7      8     public FastReader(InputStream stream){ 9         reader = new BufferedReader(new InputStreamReader(stream));10         tokenizer = null;11     }12     13     public String next(){14         while (tokenizer == null || !tokenizer.hasMoreTokens()){15             try{16                 tokenizer = new StringTokenizer(reader.readLine());17             } catch (Exception e){18                 throw new RuntimeException(e);19             }20         }21         22         return tokenizer.nextToken();23     }24     25     public int next_int(){26         return Integer.parseInt(next());27     }28 }29 30 public class Main {31     static String convert_base(int color){32         char[] tabulate = {33             ‘0‘, ‘1‘, ‘2‘, ‘3‘, ‘4‘, ‘5‘, ‘6‘, ‘7‘, ‘8‘, ‘9‘,34             ‘A‘, ‘B‘, ‘C‘,35         };36         37         StringBuilder res = new StringBuilder();38         char low = tabulate[color % 13];39         char high = tabulate[color / 13];40         41         res.append(high);42         res.append(low);43         44         return res.toString();45     }46     47     public static void main(String[] args){48         FastReader reader = new FastReader(System.in);49         int R, G, B;50         R = reader.next_int();51         G = reader.next_int();52         B = reader.next_int();53         54         StringBuilder res = new StringBuilder();55         res.append(‘#‘);56         res.append(convert_base(R));57         res.append(convert_base(G));58         res.append(convert_base(B));59         60         System.out.println(res);61     }62 }