Just Solve It

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

int main() {
    int n,k;
    cin >> n >> k;
    if (n == 1) {
        cout << "YES" << endl;
        return 0;
    }
    if (n&1) {
        if (k < 3) {
            cout << "NO" << endl;
        } else {
            cout << "YES" << endl;
        }
    } else {
        if (k < 2) {
            cout << "NO" << endl;
        } else {
            cout << "YES" << 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