#define _USE_MATH_DEFINES
#include <cstdio>
#include <iostream>
#include <sstream>
#include <fstream>
#include <iomanip>
#include <algorithm>
#include <cmath>
#include <complex>
#include <string>
#include <vector>
#include <array>
#include <list>
#include <queue>
#include <stack>
#include <set>
#include <map>
#include <bitset>
#include <numeric>
#include <limits>
#include <climits>
#include <cfloat>
#include <functional>
#include <iterator>
#include <memory>
#include <regex>
using namespace std;

int main()
{
    int y, m, d;
    cin >> y >> m >> d;
    auto t = make_tuple(y, m, d);

    if(make_tuple(1989, 1, 8) <= t && t <= make_tuple(2019, 4, 30))
        cout << "Yes" << endl;
    else
        cout << "No" << endl;

    return 0;
}