#include <iostream>
using namespace std;
int main() 
{
	char a[1000];
	cin.getline(a, 1000);
	for(char* c = a; *c != '\0'; c++) 
		*c != 'z' && *c != 'Z' ? ++*c : *c-=25;
	cout<<a<<endl;
}

#include <iostream>
#include <string>
using namespace std;
int main() 
{
	string s;
	getline(cin, s);
	for(char * c = (char*)s.data(); *c != '\0'; c++)
		*c != 'z' && *c != 'Z' ? ++*c : *c -= 25;
	cout<<s<<endl;
}

#include <iostream>
#include <string>
using namespace std;
int main() 
{
	string s;
	getline(cin, s);
	for(int i = 0; i<s.length(); i++)
		s[i] != 'z' && s[i] != 'Z' ? ++s[i] : s[i] -= 25;
	cout<<s<<endl;
}