1 import java.util.ArrayList;
2 import java.util.Arrays;
3 import java.util.HashSet;
4 import java.util.Scanner;
5
6 import javax.script.ScriptEngine;
7 import javax.script.ScriptEngineManager;
8 import javax.script.ScriptException;
9
10 public class Main {
11 public static void main(String[] args) throws ScriptException {
12 Scanner sc = new Scanner(System.in);
13 while(sc.hasNext()) {
14 String in = sc.nextLine();
15 //in = "j k q a";
16 in = in.trim();
17 String out = game(in);
18 System.out.println(out);
19 }
20 }
21
22 private static String game(String in) throws ScriptException {
23 in = in.toUpperCase();
24 String[] ins = in.split("[\\s]+");
25 if(ins.length != 4) {return "ERROR";}
26 for (int i = 0; i < ins.length; i++) {
27 if(ins[i].equals("A")) {ins[i] = "1";}
28 if(ins[i].equals("J")) {ins[i] = "11";}
29 if(ins[i].equals("Q")) {ins[i] = "12";}
30 if(ins[i].equals("K")) {ins[i] = "13";}
31 if(ins[i].equals("JOKER")) {return "ERROR";}
32 }
33 System.out.println(Arrays.asList(ins));
34
35 //四张牌排序
36 String[] numloc = {"1234","1243","1423","1432","1324","1342",
37 "2134","2143","2314","2341","2413","2431",
38 "3124","3142","3412","3421","3241","3214",
39 "4123","4132","4213","4231","4321","4312"};
40 int loc;
41 String[] co = {"+","-","*","/"};
42 ArrayList<String> list = new ArrayList<>();
43 String[][] str = null;
44 for (int nl = 0; nl < numloc.length; nl++) {
45 str = new String[4][4];
46 for (int j = 0; j < 3; j++) {
47 loc = Integer.parseInt(""+numloc[nl].charAt(j))-1;
48 for (int j2 = 0; j2 < 4; j2++) {
49 str[j][j2] = ins[loc]+co[j2];
50 }
51 }
52 for (int j = 0; j < 4; j++) {
53 loc = Integer.parseInt(""+numloc[nl].charAt(3))-1;
54 str[3][j] = ins[loc];
55 }
56
57 //
58 String a = "";
59 for (int j1 = 0; j1 < 4; j1++) {
60 for (int j2 = 0; j2 < 4; j2++) {
61 for (int j3 = 0; j3 < 4; j3++) {
62 for (int j4 = 0; j4 < 4; j4++) {
63 a=a+str[0][j1]+str[1][j2]+str[2][j3]+str[3][j4];
64 list.add(a);
65 a="";
66 }
67 }
68 }
69 }
70 }
71
72 //加括号，共计扩容6倍
73 list = new ArrayList<>(new HashSet(list));
74 ArrayList<String> list2 = new ArrayList<>();
75 for (int i = 0; i < list.size(); i++) {
76 String s = list.get(i);
77 //记录符号位置
78 int[] a = new int[3];
79 int count = 0;
80 for (int j = 0; j < s.length(); j++) {
81 if(s.charAt(j)=='+'||s.charAt(j)=='-'||s.charAt(j)=='*'||s.charAt(j)=='/')
82 {a[count++] = j;}
83 }
84 //System.out.println(s);
85 String ss ;
86 //第一种
87 ss = "("+s.substring(0,a[1])+")"+s.substring(a[1], s.length());
88 list2.add(ss);
89 //第二种
90 ss = "("+s.substring(0,a[2])+")"+s.substring(a[2], s.length());
91 list2.add(ss);
92 //第三种
93 ss = s.substring(0,a[0]+1)+"("+s.substring(a[0]+1, a[2])+")"+s.substring(a[2],s.length());
94 list2.add(ss);
95 //第四种
96 ss = s.substring(0,a[0]+1)+"("+s.substring(a[0]+1, s.length())+")";
97 list2.add(ss);
98 //第五种
99 ss = s.substring(0,a[1]+1)+"("+s.substring(a[1]+1, s.length())+")";
100 list2.add(ss);
101 //第六种，双括号
102 ss = "("+s.substring(0,a[1])+")"+s.substring(a[1],a[1]+1)+"("+s.substring(a[1]+1, s.length())+")";
103 list2.add(ss);
104
105 //System.out.println(list2);
106 //System.out.println("");
107
108 }
109 list = new ArrayList<>(new HashSet(list));
110 list.addAll(list2);
111 System.out.println(list);
112 //System.out.println(list.size());
113 for (int i = 0; i < list.size(); i++) {
114
115 Object d = null;
116 ScriptEngine se = new ScriptEngineManager().getEngineByName("JavaScript");
117 d = (Object) se.eval(list.get(i));
118 //System.out.println(i+" "+d);
119 double result = 24D;
120 Double re = Double.valueOf(""+d);
121 if ( re>(result-0.0001) && re<(result+0.0001) ) {System.out.println("个数:"+list.size()+" "+list2.size());return "结果："+list.get(i); }
122
123 }
124 System.out.println("个数:"+list.size()+" "+list2.size());
125 return "NONE";
126 }
127 }
