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

int main()
{
    string str;

    getline(cin, str);

    for(int i = 0; i < str.size(); i ++)
    {
        if(str[i] >= 'a' && str[i] <= 'w' || str[i] >= 'A' && str[i] <= 'W')
            str[i] += 3;
        else if(str[i]>='X' && str[i] <= 'Z' || str[i] >= 'a' && str[i] <= 'z')
            str[i] -= 23;
    }

    cout << str;

    return 0;
}