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