#include <iostream>
#include <cstring>
#include <algorithm>
#include <cstdio>

using namespace std;

int main(){
    string str;
    while(getline(cin,str)){
        for(int i=0;i<str.size();++i){
            if(str[i]=='z'||str[i]=='Z'){
                str[i]=str[i]-25;
            }
            else if (('a'<=str[i]&&str[i]<'z')||('A'<=str[i]&&str[i]<'Z')) 
            {
                str[i]=str[i]+1;
            }
        }
        cout<<str<<endl;
        return 0;
    }
}