#include <bits/stdc++.h>

using namespace std;

int main() {
	int n, m;
	cin >> n >> m;
	int x = 100 * n + 10 * m;
	if (x % 2 == 0) {
		cout << "Yes" << endl;
	} else {
		cout << "No" << endl;
	}
	return 0;
}