Just Solve It

#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define ull unsigned long long
#define M 1000000007
#define N (1<<18)
#define P complex<long long>
#define X real()
#define Y imag()

using namespace std;

int n, k;

int main() {
	cin.tie(0);
	cout.tie(0);
	ios_base::sync_with_stdio(0);
	cin >> n >> k;
	if(n%2 == 1) {
		if(k >= 3)
			cout << "YES";
		else
			cout << "NO";
	} else {
		if(k >= 2)
			cout << "YES";
		else
			cout << "NO";
	}
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED