Just Solve It

#include <bits/stdc++.h>
using namespace std;
int n, k;

int main(){
  cin >> n >> k;
  if (k==1) cout << "NO\n";
  else if (n&1){
    if (k==2) cout << "NO\n";
    else cout << "YES\n";
  }else cout << "YES\n";
}

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