#include <algorithm>
#include <cassert>
#include <cmath>
#include <cstdio>
#include <cstring>
#include <iomanip>
#include <iostream>
#include <map>
#include <memory>
#include <numeric>
#include <set>
#include <stack>
#include <string>
#include <vector>

#define rep(i, a, b) for (int i = (a); i < (b); ++i)
#define all(x) (x).begin(), (x).end()
#define MOD 1000000007
#define int long long
using ll = long long;
using namespace std;
const int INF = 1LL << 50;
using P       = pair<int, int>;

template <class T>
bool chmin(T &a, T b) {
    if (a > b) {
        a = b;
        return true;
    } else {
        return false;
    }
}
template <class T>
bool chmax(T &a, T b) {
    if (a < b) {
        a = b;
        return true;
    } else {
        return false;
    }
}

struct Setup {
    Setup() {
        cin.tie(0);
        ios::sync_with_stdio(false);
        cout << fixed << setprecision(20);
    }
} SETUP;

signed main() {
    int y, m, d;
    cin >> y >> m >> d;
    bool ok = false;

    if (1989 < y && y < 2019) ok = true;
    if (y == 1989) {
        if (m == 1) {
            if (d >= 8) ok = true;
        } else {
            ok = true;
        }
    } else if (y == 2019) {
        if (m == 4) {
            if (d <= 30) ok = true;
        } else if (m < 4) {
            ok = true;
        }
    }

    if (ok)
        puts("Yes");
    else
        puts("No");
}