<?php
$S = trim(fgets(STDIN));

if (preg_match("/.*keyence/",$S)
    || preg_match("/k.*eyence/",$S)
    || preg_match("/ke.*yence/",$S)
    || preg_match("/key.*ence/",$S)
    || preg_match("/keye.*nce/",$S)
    || preg_match("/keyen.*ce/",$S)
    || preg_match("/keyenc.*e/",$S)
    || preg_match("/keyence.*/",$S)

){
    echo ("YES") . "\n";
}else{
    echo("NO") . "\n";
}