#include <bits/stdc++.h>
#define rep(i, a, n) for(int i = a; i < n; i++)
#define repr(i, a, b) for(int i = a; i >= b; i--)
#define int long long
#define all(a) a.begin(), a.end()
#define chmax(x, y) x = max(x, y)
#define chmin(x, y) x = min(x, y)
using namespace std;
typedef pair<int, int> P;
const int mod = 1000000007;
const int INF = 1e18;

signed main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    int y, m, d;
    cin >> y >> m >> d;
    bool f = false;
    if(1989 < y && y < 2019) f = true;
    if(y == 1989){
        if(m == 1){
            if(d >= 8) f = true;
        }else f = true;
    }
    if(y == 2019){
        if(m <= 4) f = true;
    }
    if(f) cout << "Yes" << endl;
    else cout << "No" << endl;
}