#include<iostream> #include<cstring> using namespace std; int main(){ string str,ex; cin>>str>>ex; for(int i=0;i<str.size();i++) { if('A'<=str[i] && str[i]<='Z') str[i]=ex[str[i]-'A']-32; else if('a'<=str[i] && str[i]<='z') str[i]=ex[str[i]-'a']; } cout<<str<<endl; return 0; }