import java.util.Scanner;

public class Main_725_treesForests {
    public static void main(String[] args) {

        Scanner scan = new Scanner(System.in);
        String value1 = scan.next();
        scan.close();

        String result = replaceTreeoneToForest(value1);
        System.out.println(result);
    }

    public static String replaceTreeoneToForest(String value1) {

        String replacedString = "";

        if (value1.contains("treeone")) {
            replacedString = value1.replaceAll("treeone", "forest");
        }

        return replacedString;
    }
}