#include<bits/stdc++.h>
using namespace std;
string s;
int main(){
    getline(cin,s);
    for(int i=0;i<s.size();i++){
        if(s[i]=='z'||s[i]=='Z') s[i]+=25;
        else if(s[i]>='a'&&s[i]<='y'||s[i]>='A'&&s[i]<='Y') s[i]++;
    }
    cout<<s;
    return 0;
}