#include <bits/stdc++.h>
using namespace std;

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    int N, X;
    cin >> N >> X;
    if (N == 1)
    {
        cout << "No" << endl;
    }
    else
    {
        cout << "Yes" << endl;
    }
}