import java.io.*;
import java.util.*;


public class Main_yukicoder725 {

	private static Scanner sc;
	private static Printer pr;

	private static void solve() {
		String s = sc.next();

		int n = s.length();
		
		int i = 0;
		int next;
		while ((next = s.indexOf("treeone", i)) >= 0) {
			for (int j = i; j < next; j++) {
				pr.print(s.charAt(j));
			}
			pr.print("forest");
			
			i = next + 7;
		}
		for (int j = i; j < n; j++) {
			pr.print(s.charAt(j));
		}

		pr.println();
	}

	// ---------------------------------------------------
	public static void main(String[] args) {
		sc = new Scanner(INPUT == null ? System.in : new ByteArrayInputStream(INPUT.getBytes()));
		pr = new Printer(System.out);

		solve();

//		pr.close();
		pr.flush();
//		sc.close();
	}

	static String INPUT = null;

	private static class Printer extends PrintWriter {
		Printer(OutputStream out) {
			super(out);
		}
	}
}