input = STDIN.read.chomp
is_ok = false
[
    /^keyence.*/,
    /^k.*eyence$/,
    /^ke.*yence$/,
    /^key.*ence$/,
    /^keye.*nce$/,
    /^keyen.*ce$/,
    /^keyenc.*e$/,
    /.*keyence$/,
].each{ |pt|
    if input.match(pt) != nil
        is_ok = true
    end
}

puts is_ok ? "YES" : "NO"