#include <bits/stdc++.h>
using namespace std;
#define int long long int
#define endl "\n" 
signed main(){
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    int n,x;cin>>n>>x;
    if(n==1)cout<<"No";
    else cout<<"Yes";
    return 0;
}