// Source: https://usaco.guide/general/io

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

#define MAX 1000001

vector<set<int>> solve() {
	string parse;
	getline(cin, parse);

	istringstream is(parse);
	vector<set<int>> h(MAX);
	stack<int> st;

	int fir;
	is >> fir;
	st.push(fir);

	char c;
	while (is >> c) {
		if (c == ')') {
			st.pop();
		}
		if (c == '(') {
			int child;
			is >> child;
			h[st.top()].insert(child);
			st.push(child);
		}
	}

	return h;
}

int main() {
	cout << (solve() == solve() ? "YES" : "NO");
}