832A - Sasha and Sticks.cpp

#include<bits/stdc++.h>
using namespace std;

// Code Written By: Vikash Patel

// Codeforces Profile: https://codeforces.com/profile/vikashpatel

int main()
{
    long long n,k;
    cin>>n>>k;
    if((n/k) & 1)
    cout<<"YES"<<endl;
    else
    cout<<"NO"<<endl;
}