#include<bits/stdc++.h>
using namespace std;
int main(){
 	string s;
	int n;
	cin>>s;//s[i]<'A'&&s[i]>'Z'
	for(int i=0;i<s.size();i++){
		if(s[i]<='z'&&s[i]>='a'){
			n=122;
			 n=n-(int)s[i];
			 n=97+n; 
			 cout<<(char)n;
	  } else{
	  		if(s[i]<='Z'&&s[i]>='A'){
		 	n=90; 
			 n=n-(int)s[i];
			 n=65+n; 
			 cout<<(char)n;
		}else{
			cout<<s[i];
		} 
	  } 
	   
	}
}
/**************************************************************
	Problem: 1133
	User: wuzhijing
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2076 kb
****************************************************************/