//#include <bits/stdc++.h> #include <iostream> #include <string> using namespace std; int main() { //freopen("a.in", "r", stdin); //freopen("b.out", "w", stdout); string s1,s2; cin >> s1 >> s2; for (int i = 0; i < s1.size(); i++) { if(s1[i] >= 'A' && s1[i] <= 'Z') { s1[i] = s2[s1[i] + 32 - 'a'] - 32; } else{ s1[i] = s2[s1[i]-'a']; } } cout << s1 << endl; return 0; }