#include <iostream>
#include <string>
using namespace std;

int main(){

    string s;
    getline(cin, s);

    for(int i = 0; i < s.size(); i++){

        if(s[i] >= 'A' && s[i] <= 'Z'){
            s[i] += 3;
            if(s[i] > 'Z')
                s[i] -= 26;
        }

        else if(s[i] >= 'a' && s[i] <= 'z'){
            s[i] += 3;
            if(s[i] > 'z')
                s[i] -= 26;
        }
    }

    cout << s;

    return 0;
}