#include <bits/stdc++.h>
using namespace std;
#define rep(i,a,b) for(int i=a;i<b;i++)

string A, B;

int calc(string s)
{
	int a = 0, b = 0, c = 0;
	int i = 0;
	while (s[i] != '.') a = a * 10 + s[i] - '0', i++;
	i++;
	while (s[i] != '.') b = b * 10 + s[i] - '0', i++;
	i++;
	while (i < s.length()) c = c * 10 + s[i] - '0', i++;
	return a * 1000000 + b * 1000 + c;
}

int main()
{
	cin.tie(0);
	ios::sync_with_stdio(false);

	while (cin >> A >> B)
	{
		int a = calc(A);
		int b = calc(B);

		if (b <= a)
			cout << "YES" << endl;
		else
			cout << "NO" << endl;
	}
}