import core.bitop;
import std.algorithm;
import std.ascii;
import std.bigint;
import std.conv;
import std.functional;
import std.math;
import std.numeric;
import std.range;
import std.stdio;
import std.string;
import std.random;
import std.typecons;
import std.container;

alias sread = () => readln.chomp();
ulong bignum = 1_000_000_007;
alias Pair = Tuple!(long, "begin", long, "end");

T lread(T = long)()
{
    return readln.chomp.to!T();
}

T[] aryread(T = long)()
{
    return readln.split.to!(T[])();
}

void scan(TList...)(ref TList Args)
{
    auto line = readln.split();
    foreach (i, T; TList)
    {
        T val = line[i].to!(T);
        Args[i] = val;
    }
}

void main()
{
    auto s = sread();
    if(s.remove_before || s.remove_bitween)
        writeln("YES");
    else
        writeln("NO");

}

bool remove_before(string s)
{
    auto test = s[$ - 7 .. $];
    // writeln(test);
    if (test == "keyence")
        return true;

    return false;
}

bool remove_bitween(string s)
{
    auto lim = iota(1, 8);
    foreach (i; lim)
    {
        auto test = s[0 .. i] ~ s[$ - "keyence".length + i .. $];
        // test.writeln();
        if(test == "keyence")
            return true;
    }
    return false;
}