#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <cstdio>
#include <cstring>
#include <cmath>
using namespace std;
using ll = long long;

int main() {
    int y, m, d;
    cin >> y >> m >> d;

    int t = y * 10000 + m * 100 + d;
    int b = 19890108 <= t && t <= 20190430;

    cout << (b ? "Yes" : "No") << endl;

    return 0;
}