import java.util.ArrayDeque;
import java.util.Arrays;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		new Main().run();
	}

	void run() {
		Scanner sc = new Scanner(System.in);
		String S = sc.next().replaceAll("treeone", "forest");
		System.out.println(S);
	}

	void tr(Object... objects) {
		System.out.println(Arrays.deepToString(objects));
	}
}