fn read<T: std::str::FromStr>() -> Vec<T>
where
    <T as std::str::FromStr>::Err: std::fmt::Debug,
{
    let mut b = String::new();
    std::io::stdin().read_line(&mut b).unwrap();
    b.split(' ')
        .map(|x| x.trim().parse::<T>().unwrap())
        .collect()
}

fn main() {
    let iv: Vec<String> = read();
    println!("{}", iv[0].replace("treeone", "forest"))
}