#include<bits/stdc++.h>
using namespace std;
int main(){
     string s;
     cin>>s;
     for(int i=0;i<s.size();i++){
        if(s[i]>='a'&&s[i]<='z'){
            s[i]='z'-(s[i]-'a');
        }else if(s[i]>='A'&&s[i]<='Z'){
            s[i]='Z'-(s[i]-'A');
         }
     }
     cout<<s;
  
    return 0;
}
/**************************************************************
	Problem: 1133
	User: linweilun
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2076 kb
****************************************************************/