1 #include<iostream>
2 #include<cstdio>
3 #include<cstdlib>
4 #include<cstring>
5 #include<stack>
6 using namespace std;
7
8 char ch[1000];
9 stack <int> q;
10
11 void slovenum()
12 {
13 int i,len;
14 while(!q.empty())q.pop();
15 int x=0;
16 len=strlen(ch);
17 for(i=0;i<len;++i)
18 x=x*10+ch[i]-'0';
19 while(x)
20 {
21 q.push(x%26);
22 if(x==26)break;
23 if(x%26==0)x-=26;//注意这里：当 x = 52时即余数为 0 由于只有26个字母，不能当27进制处理
24 else x-=x%26;
25 x/=26;
26 }
27 while(!q.empty())
28 {
29 int temp=q.top();
30 q.pop();
31 if(!temp)printf("Z");
32 else
33 printf("%c",temp-1+'A');
34 }
35 printf("\n");
36 }
37
38 void slovechar()
39 {
40 int i,len;
41 len=strlen(ch);
42 int sum=0;
43 for(i=0;i<len;++i)
44 sum=sum*26+ch[i]-'A'+1;
45 printf("%d\n",sum);
46 }
47
48 int main()
49 {
50 int iscase,i;
51 scanf("%d",&iscase);
52 while(iscase--)
53 {
54 scanf("%s",ch);
55 if(ch[0]>='0'&&ch[0]<='9')
56 slovenum();
57 else slovechar();
58 }
59 return 0;
60 }
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