// With a smile in your heart, that's how I like you again
#include <algorithm>
#include <bitset>
#include <cassert>
#include <chrono>
#include <cmath>
#include <deque>
#include <iomanip>
#include <iostream>
#include <map>
#include <queue>
#include <random>
#include <set>
#include <string>
#include <vector>
typedef long long ll;
typedef long double ld;
using namespace std;
int main()
{
ios::sync_with_stdio(false);
cin.tie(0);
ll n, m, k;
cin >> n >> m >> k;
if ((n * m) % 3 != 0) cout << "NO\n";
else if (n == 1 || m == 1) cout << "NO\n";
else if ((n * m) % 6 == 0) cout << "YES\n";
else if (n >= 5 && m >= 5) cout << "YES\n";
else cout << "NO\n";
return 0;
}
