#include<bits/stdc++.h>
using namespace std;
string s;
int main(){
	cin>>s;
	for(int i=0;i<s.size();i++){
		if(s[i]>='A'&&s[i]<='Z'){
			s[i]='Z'-(s[i]-'A');
		}
		if(s[i]>='a'&&s[i]<='z'){
			s[i]='z'-(s[i]-'a');
		}
	}
	cout<<s;
	return 0;
}

/**************************************************************
	Problem: 1133
	User: hongjiaming
	Language: C++
	Result: Accepted
	Time:6 ms
	Memory:2076 kb
****************************************************************/