include <bits/stdc++.h>

using namespace std; char b; string c;

map<char, char> a = {};

int main(void) {

for (int i = 'A'; i <= 'Z'; i++) {
	cin >> b;
	a.insert(pair<char, char>(i, b));
}
cin.get();
getline(cin, c);
for (int i = 0; i < c.size(); i++) {
	if ('A' <= c[i] && c[i] <= 'Z') {
		c[i] = a[c[i]];
	}
	cout << c[i];
}
return 0;

}