#include<bits/stdc++.h> using namespace std; string s; int main(){ getline(cin,s); for(int i=0;i<s.size();i++){ if('a'<=s[i] and s[i]<='y' or 'A'<=s[i] and s[i]<='Y') { s[i]+=1; }else if('z'==s[i] or 'Z'==s[i]){ s[i]-=25; } } cout<<s; return 0; }