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

/**************************************************************
	Problem: 1133
	User: hongguangxi
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2076 kb
****************************************************************/