#include<bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i,m,n) for(int i=m; i<n; ++i)
#define repl(i,m,n) for(ll i=m; i<n; ++i)

int main(){
    int Y, N, D;
    cin >> Y >> N >> D;

    bool f = false;
    if(1990 <= Y && Y <= 2018) f = true;
    else if(Y == 1989){
        if(N >= 2) f = true;
        else if(D >= 8) f = true;
    }else if(Y == 2019 && N <= 4){
        f = true;
    }
    cout << (f ? "Yes" : "No") << endl;

    return 0;
}