#include <stdio.h>
#include <stdlib.h>

int main()
{
    char a = 0;
    int i = 0;
    while (a != EOF ||i>200)
    {
        a = getc(stdin);
        if (a == ' ' || a == '\n')
        {
            printf("%c", a);
            continue;
        }
        else
            switch (a)
            {
            case 'X':
            {
                a = 'A';
                break;
            }
            case 'Y':
            {
                a = 'B';
                break;
            }
            case 'Z':
                a = 'C';
                break;
            default:
                a += 3;
                break;
            }
        printf("%c", a);
        ++i;
    }
    return 0;
}