#include <cstdio>
#include <cstring>
#include <iostream>
#include <string>
#include <cmath>
#include <bitset>
#include <vector>
#include <map>
#include <set>
#include <queue>
#include <deque>
#include <algorithm>
#include <complex>
#include <unordered_map>
#include <unordered_set>
#include <random>
#include <cassert>
using namespace std;
typedef long long int ll;
typedef pair<int, int> P;

int main()
{
	int y, m, d;
	cin>>y>>m>>d;
	int x=y*10000+m*100+d;
	if(x>=19890108 && x<=20190430){
		cout<<"Yes"<<endl;
	}else{
		cout<<"No"<<endl;
	}
	return 0;
}