#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 (getline(cin, str)) {
        for (char &ch : str) {
            if (ch >= 'A' && ch <= 'Z') {
                ch = (ch - 'A' + 1) % 26 + 'A';
            } else if (ch >= 'a' && ch <= 'z') {
                ch = (ch - 'a' + 1) % 26 + 'a';
            }
        }
        cout << str << "\n";
    }
}
int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    solve();
    return 0;
}