use std::str::FromStr;
use std::fmt::Debug;

fn read_as_vec<T>() -> Vec<T>
where T: FromStr, <T as FromStr>::Err : Debug{
    let mut s = String::new();
    std::io::stdin().read_line(&mut s).unwrap();
    s.trim().split_whitespace().map(|c| T::from_str(c).unwrap()).collect()

}

fn read_as_string() -> String{
    let mut s = String::new();
    std::io::stdin().read_line(&mut s).unwrap();
    s.trim().to_string()
}

fn main(){
    let line = read_as_string();
    let keyence = String::from("keyence");

    for i in 1..keyence.len(){
        let(first, last) = keyence.split_at(i);
        let first_pos = line.find(first);
        let last_pos = line.find(last);
        if let(Some(first_pos), Some(last_pos)) = (first_pos, last_pos){
            //println!("first = {}, last = {}", first, last);
            if first_pos + first.len() <= last_pos{
                println!("YES");
                return;
            }
        }
    }
    println!("NO");
}