1 #include <iostream>
2 using namespace std;
3
4
5 int weigh[12]={0};
6
7 char dol[3][12];
8 int ba[3];
9 char dollar(int n);
10 int abs(int num);
11 int main()
12 {
13 char c;
14 int j=0;
15 int k=0;
16 int n;
17 cin >>n;
18 wdffhile(n!=0)
19 {
20 n--;
21 for(int i=0;i<3;i++)
22 {
23 j=0;
24 while(1)
25 {
26 cin >>c;
27 if(c>='A'&&c<='L')
28 dol[i][j++]=c;
29 if(c=='e')
30 {
31 ba[i]=0;
32 cin >>c;
33 cin >>c;
34 cin >>c;
35 break;
36 }
37 if(c=='u')
38 {
39 ba[i]=1;
40 cin >>c;
41 break;
42 }
43 if(c=='d')
44 {
45 ba[i]=2;
46 cin >>c;
47 cin >>c;
48 cin >>c;
49 break;
50 }
51 }
52 }
53 c=dollar(j);
54 cout <<dollar;
55 }
56 return 0;
57 }
58
59
60
61 char dollar(int n)
62 {
63 char c;
64 int temp=0;
65 for(int i=0;i<3;i++)
66 for(int j=0;j<n;j++)
67 dol[i][j]-='A';
68 for(int i=0;i<3;i++)
69 {
70 if(ba[i]==0)
71 {
72 for(int j=0;j<n;j++)
73 weigh[dol[i][j]]+=30;
74 }
75 if(ba[i]==1)
76 {
77 for(int j=0;j<n;j++)
78 weigh[dol[i][j]]+=1;
79 }
80 if(ba[i]==2)
81 {
82 for(int j=0;j<n;j++)
83 weigh[dol[i][j]]-=1;
84 }
85 }
86 for(int i=0;i<3;i++)
87 {
88 for(int j=0;j<n;j++)
89 {
90 if(abs(weigh[dol[i][j]])>temp&&abs(weigh[dol[i][j]]<4))
91 {
92 temp=abs(weigh[dol[i][j]]);
93 c=dol[i][j];
94 }
95 }
96 }
97 return c;
98 }
99
100
101 int abs(int num)
102 {
103 return num>0?num:-num;
104 }