#include<iostream>
#include<vector>
#include<algorithm>
#include<functional>
#include<queue>
#include<stack>
#include<set>
#include<map>
#include<unordered_map>
#include<climits>
#include<cstdlib>
#include<cmath>
#include<string>
#include<iomanip>
#include<bitset>

using namespace std;

#define ll long long int

ll const MOD = 1000000007;
ll const INF = (long long int)1 << 61;

int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);
    
    ll y,m,d;
    cin >> y >> m >> d;

    if(y > 1989 && y < 2019){
        cout << "Yes" << endl;
    }else if(y < 1989 || y > 2019){
        cout << "No" << endl;
    }else if(y == 1989){
        if(m > 1){
            cout << "Yes" << endl;
        }else{
            if(d >= 8){
                cout << "Yes" << endl;
            }else{
                cout << "No" << endl;
            }
        }
    }else{
        if(m < 4){
            cout << "Yes" << endl;
        }else if(m == 4){
            if(d <= 30){
                cout << "Yes" << endl;
            }else{
                cout << "No" << endl;
            }
        }else{
            cout << "No" << endl;
        }
    }
    
    return 0;
}