#include <iostream>
#include <string>
#include <algorithm>
#include <vector>
#include <iomanip>
#include <cmath>
#include <stdio.h>
#include <queue>
#include <deque>
#include <cstdio>
#include <set>
#include <map>
#include <bitset>
#include <stack>
#include <cctype>
using namespace std;
int main() {
	long long a, b;
	cin >> a >> b;
	if (a == b || b == 1) {
		cout << "No" << endl;
	}
	else {
		for (long long i = 2; i * i <= b; i++) {
			if (b % i == 0) {
				if (i % 2 != 0 && i % 5 != 0) {
					cout << "Yes" << endl;
					return 0;
				}
				if (b / i % 2 != 0 && b / i % 5 != 0) {
					cout << "Yes" << endl;
					return 0;
				}
			}
		}
		cout << "No" << endl;
	}
}