#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;
    } 
}
/**************************************************************
	Problem: 1133
	User: linweilun
	Language: C++
	Result: Wrong Answer
****************************************************************/