// editor3
import java.util.*;
public class Main
{
    public static void main(String[] args)
    {
        Scanner sc=new Scanner(System.in);
        if(sc.hasnextInt())
        {
            System.out.println("Invalid input");
            return;
        }
        String input=sc.nextLine();
        StringBuilder result=new StringBuilder();
        for(char ch:input.toCharArray())
    {
        if( Character.isUpperCase(ch))
        {
            result.append((char) ('Z'-(ch-'A')));
        }
        else if(Character.isLowerCase(ch))
        {
            result.append((char) ('z'-(ch-'a')));
        }
        else if(ch== ' ')
        {
             result.append(' ');
        }
    }
    System.out.println(result.toString());
}}