#include <bits/stdc++.h>
using namespace std;

string s;
int main(){
	cin>>s;
	for(int i=0;i<s.size();i++){
		if(s[i]<='Z'&&s[i]>='X'||s[i]<='z'&&s[i]>='x') s[i]-=23;
		else s[i]+=3;
		if(s[i]>='A'&&s[i]<='Z') s[i]+=32;
		else s[i]-=32;
	}
	for(int i=s.size()-1;i>=0;i--) cout<<s[i];
	return 0;
}