#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: huxuanchen
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2076 kb
****************************************************************/