#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
const int N = 1e6 + 10;
int t, n, m, k, l, r, op, x, y;
int f[N];
string str;
void solve() {
    while (cin >> str && str != "!") {
        for (char&ch : str) {
            if(ch>='A'&&ch<='Z')ch='Z'-int(ch-'A');
            else if(ch>='a'&&ch<='z')ch='z'-int(ch-'a');
        }
        cout << str << "\n";
    }
}
int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    solve();
    return 0;
}