#include<bits/stdc++.h>
using namespace std;
int a,b;
string s;
int main() {
//freopen("password.in","r",stdin) ;
//freopen("password.out","w",stdout) ;
getline(cin,s);
for(int i=0;s[i];i++){
	if(s[i]=='z'||s[i]=='Z'){
		s[i]-=25;
		}	
		else if(s[i]>='A'&&s[i]<='Y'){
		s[i]++;
	}
			else if(s[i]>='a'&&s[i]<='y'){
		s[i]++;
	}
	cout<<s[i];
}
	return 0;
}