func_code_string: #include <bits/stdc++.h>   using namespace std;   char s[10000];   int main() {     int n;     cin >> n;     for (int i = 1; i <= n; ++i) {       cin >> s;       bool t = 0;       for (int i = 1; s[i]; ++i) {         if (!isdigit(s[i]) && isdigit(s[i - 1])) {           t = 1;           break;         }       }       if (t == 0) {         int c = 0, j;         for (j = 0; !isdigit(s[j]); ++j) {           c = 26 * c + s[j] -  A  + 1;         }         int r = 0;         for (; s[j]; ++j) {           r = 10 * r + s[j] -  0 ;         }         cout <<  R  << r <<  C  << c << endl;       } else {         int r = 0;         int j;         for (j = 1; isdigit(s[j]); ++j) {           r = r * 10 + s[j] -  0 ;         }         int c = 0;         for (++j; s[j]; ++j) {           c = 10 * c + s[j] -  0 ;         }         int z = 0;         while (c) {           s[z++] = c % 26 +  A  - 1;           if (s[z - 1] <  A ) {             s[z - 1] =  Z ;             c = c - 26;           }           c = c / 26;         }         for (int k = z - 1; k >= 0; --k) putchar(s[k]);         cout << r << endl;       }     }     return 0;   }   