#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define F first
#define S second
#define pii pair<int, int>
#define eb emplace_back
#define all(v) v.begin(), v.end()
#define rep(i, n) for (int i = 0; i < n; ++i)
#define rep3(i, l, n) for (int i = l; i < n; ++i)
#define chmax(a, b) a = max(a, b)
#define chmin(a, b) a = min(a, b)
#define out(a) cout << a << endl
#define SZ(v) (int)v.size()
#define inf (int)(1e9+7)

int main() {
    int y, m, d; cin >> y >> m >> d;
    pair<int, pii> v;
    v = make_pair(y, pii(m, d));
    if (v > make_pair(2019, pii(4, 30)) || v < make_pair(1989, pii(1, 8))) {
        out("No");
    } else {
        out("Yes");
    }
}