func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     cout.tie(NULL);     string s, s1;     cin >> s >> s1;     string s2;     cin >> s2;     map<char, char> m;     for (long long i = 0; i < 26; i++) {       m[s[i]] = s1[i];     }     string ans =   ;     long long cnt = 0;     for (long long i = 0; i < s2.size(); i++) {       if (s2[i] >= 48 && s2[i] <= 57) {         ans += s2[i];       } else if (isupper(s2[i])) {         s2[i] += 32;         char c = m[s2[i]];         c -= 32;         ans += c;       } else if (islower(s2[i])) {         ans += m[s2[i]];       }     }     cout << ans <<   n ;   }   