#include<iostream>
#include<algorithm>
#include <vector>
using namespace std;
int main() {
	int N, M;
	cin >> N >> M;
	int A = 0;
	int B = 0;
	int C = 0;
	if (M >= 10) {
		A++;
	}
	if (M % 2 == 0) {
		B++;
	}
	if (N % 2 == 0) {
		C++;
	}
	if (A && B && C) {
		cout << "Yes" << endl;
	}
	else if (A && B && !C) {
		cout << "Yes" << endl;
	}
	else if (A && !B && C) {
		cout << "No" << endl;
	}
	else if (A && !B && !C) {
		cout << "No" << endl;
	}
	else if (!A&& B && C) {
		cout << "Yes" << endl;
	}
	else {
		cout << "No" << endl;
	}
}