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