Just Solve It

#include <iostream>

using namespace std;

int main() {
		int n, k;
		cin >> n >> k;
		if (k >= 3) cout << "YES" << endl;
		else if (k == 2) cout << (n%2 ? "NO" : "YES") << endl;
		else cout << (n==1 ? "YES" : "NO") << endl;
}

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