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

#include <iostream>
#include <string>
using namespace std;
int main()
{
	string a;
	getline(cin, a);
	for (int i = 0; i < a.size(); i++)
	{
		if (a[i] >= 65 && a[i] <= 90)
		{
			cout << (char)(155 - a[i]);//155=(90+65)/2,找中间就好了
		}
		else if (a[i] >= 97 && a[i] <= 122)
		{
			cout << (char)(219 - a[i]);
		}
		else
		{
			cout << a[i];
		}
	}
}