#include <bits/stdc++.h>
using namespace std;
int main()
{
	string a;
	cin >> a;
	for (int i = 0;i < a.length();i++)
	{
		a[i] += 3; 
	}	
	reverse(a.begin(), a.end());
	for (int i = 0;i < a.length();i++)
	{
		if (a[i] >= 'a' && a[i] <= 'z'){
		    a[i] -= 32;
		}
		else{
		    a[i] += 32;
		}
	}
	for (int i = 0;i < a.length();i++) cout << a[i];
}