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

const long long INF = 1LL << 60;
#define MOD 1000000007;

typedef long long ll;

#define writeln(n) cout<<n<<endl;

typedef pair<int, int> P;

typedef pair<string, int> Psi;


int main() {

	string n,m;
	cin>>n>>m;
	
	writeln("Yes");
}