#include <cstdio>
#include <iostream>
#include <string>
#include <sstream>
#include <stack>
#include <algorithm>
#include <cmath>
#include <queue>
#include <map>
#include <set>
#include <cstdlib>
#include <bitset>
#include <tuple>
#include <assert.h>
#include <deque>
#include <bitset>
#include <iomanip>
#include <limits>
#include <chrono>
#include <random>
#include <array>
#include <unordered_map>
#include <functional>
#include <complex>

template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }

const long long MAX = 5100000;
const long long INF = 1LL << 60;
const long long mod = 1000000007LL;
//const long long mod = 998244353LL;

using namespace std;
typedef unsigned long long ull;
typedef long long ll;


int main()
{
	/*
	cin.tie(nullptr);
	ios::sync_with_stdio(false);
	*/

	ll Y, M, D; scanf("%lld %lld %lld", &Y, &M, &D);
	if (1989 <= Y && Y <= 2019) {
		if (Y == 1989) {
			if (M > 1) puts("Yes");
			else if (D > 8) puts("Yes");
			else puts("No");
		}
		else if (Y == 2019) {
			if (M < 5) puts("Yes");
			else puts("No");
		}
		else {
			puts("Yes");
		}
	}
	else {
		puts("No");
	}
	return 0;
}