#include<iostream>
#include<string>
#include<algorithm>
#include<vector>
#include<queue>
#include<map>
#include<math.h>
#include<iomanip>
#include<set>
#include<numeric>
#include<cstring>
#include<cstdio>
#include<functional>
#include<bitset>
#include<limits.h>
#include<cassert>
#include<iterator>
#include<complex>
#include<stack>
using namespace std;
#define lint long long int
/*
vector<char>al(26);
al = {'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'};
vector<char>AL(26);
AL = {'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z'};
*/

int main() {
	int Y, M, D;
	cin >> Y >> M >> D;
	if (Y == 1989 && M == 1) {
		if (D < 8) {
			cout << "No" << endl;
		}
		else {
			cout << "Yes" << endl;
		}
	}
	else if (Y == 1989) {
		cout << "Yes" << endl;
	}
	else if (1990 <= Y && Y <= 2018) {
		cout << "Yes" << endl;
	}
	else if (Y == 2019) {
		if (M < 4) {
			cout << "Yes" << endl;
		}
		else if (M == 4) {
			if (D <= 30) {
				cout << "Yes" << endl;
			}
			else {
				cout << "No" << endl;
			}
		}
		else {
			cout << "No" << endl;
		}
	}
	else {
		cout << "No" << endl;
	}
}