dic={"a":'z',"b":"y","c":"x","d":"w","e":"v","f":"u","g":"t","h":"s","i":"r","j":'q',"k":"p","l":"o","m":"n","n":"m","o":"l","p":"k","q":"j","r":"i","s":"h","t":"g","u":"f","v":"e","w":"d","x":"c","y":"b","z":"a"}
a=str(input())
b=len(a)
for i in a:
    if i in dic:
        print(dic[i],end="")
    else:
        print(i,end="")

#include <iostream>
#include <cstdio>
#include<string>
using namespace std;
int main(){
    string str;
    getline(cin,str);
    for(int i=0;i<str.length();i++){
        if(str[i]>='a'&&str[i]<='z'){
            str[i]='z'+'a'-str[i];
        }
    }
    cout<<str;
    return 0;
}

c++

#include<bits/stdc++.h> using namespace std; int main(){ string b;int c; getline(cin,b); for(c=0;c<b.length();c++){ if(b[c]>='a' && b[c]<='z'){ b[c]='z'+'a'-b[c]; } } cout<<b; }

#include <bits/stdc++.h>

using namespace std;

int main() { string a; int b=0; while(cin>>a){ cout<<a; b=b+a.length(); }

cout<<endl;
cout<<b;
return 0;

}