Submission #286467

---

Source Code Expand

import std.stdio;
import std.conv;
import std.string;
import std.typecons;
import std.algorithm;
import std.array;
import std.range;
import std.math;
import std.regex : regex;
import std.container;

void main()
{
	auto n = readln.chomp.to!int;
	auto k = readln.chomp.to!int;

	if (n/2 >= k) writeln("YES");
	else writeln("NO");
}

Submission Info

Judge Result