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

typedef long long ll;
#define rep(i, n) for (ll i = 0; i < n; i++)
#define FOR(i, a, b) for (ll i = a; i < b; i++)
#define is(a, b) a == b
#define sz(v) ll(v.size())


void solve(string N, string M){
    cout << "Yes" << endl;
}

int main() {
    string N, M;
    cin >> N >> M;
    solve(N, M);
    return 0;
}