#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)){
        if(str=="START"||str=="END")continue;
        if(str=="ENDOFINPUT")break;
        for(char&ch:str)if(isalpha(ch))ch=(ch-'A'-5+26)%26+'A';
        cout<<str<<"\n";
    }
}
int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);  
    solve();
    return 0;
}