版权声明:本文为博主原创文章,未经博主允许不得转载。 https://blog.csdn.net/polanwind/article/details/87603575
#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <cstdio>
#include <math.h>
#include <string>
#include <algorithm>
using namespace std;
long long n, k;
int main() {
scanf("%lld %lld", &n, &k);
long long ans = n / k;
if (ans % 2 == 0) {
printf("NO\n");
}
else {
printf("YES\n");
}
return 0;
}