#include <iostream>
#include <vector>
#include <map>
#include <set>
#include <queue>
#include <string>
#include <iomanip>
#include <algorithm>
#include <cmath>
#include <stdio.h>
using namespace std;
#define int long long
int MOD = 1000000007;
signed main() {
	cin.tie(0);
	ios::sync_with_stdio(false);
	int Y, M, D;
	cin >> Y >> M >> D;
	
	
	bool u = false;
	bool d = false;
	if (Y < 2019) {
		u = true;
	}
	else if (Y == 2019) {
		if (M <= 4)u = true;
	}

	if (Y > 1989)d = true;
	else if (Y == 1989) {
		if (M > 1)d = true;
		else if (D >= 8)d = true;
	}
	if (u && d) {
		cout << "Yes" << endl;
	}
	else {
		cout << "No" << endl;
	}
}