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

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n, x;
    cin >> n >> x;
    if(n == 1){
        cout << "No\n";
        return 0;
    }
    cout << "Yes\n";
}