//
// Created by popop on 2025/08/15.
//

#include <iostream>
#include <sstream>
#include <iostream>
#include <string>
#include <regex>



using namespace std;

std::string replaceOtherStr(std::string &replacedStr, std::string from, std::string to) {
    const unsigned int pos = replacedStr.find(from);
    const int len = from.length();

    if (pos == std::string::npos || from.empty()) {
        return replacedStr;
    }

    return replacedStr.replace(pos, len, to);
}

int main()
{
    string s;
    cin >> s;
    if (s.length() >= 7) {
        replaceOtherStr(s, "treeone", "forest");
    }

    cout << s << endl;




}