#define _USE_MATH_DEFINES
#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<string>
#include<iostream>
#include<iostream>
#include<cctype>
#include<cstdio>
#include<vector>
#include<stack>
#include<queue>
#include <algorithm>
#include<math.h>
#include<set>
#include<map>
#include <sstream>
#include<iomanip>
#include <ctype.h>
using namespace std;

//#include<bits/stdc++.h>

int main() {
	
	string p;
	cin >> p;

	string w;
	int a = 0;
	while (a < p.size()) {
		string h = p.substr(a, 7);
		if (h == "treeone") {
			w += "forest";
			a += 7;
		}
		else {
			w += p[a];
			a++;
		}

	}
	cout << w << endl;

	return 0;
}