#include <iostream>
#include <string>
#include <vector>

using namespace std;

int main()
{
    cin.tie(0);
    ios::sync_with_stdio(false);

    int Y,M,D;
    string X;
    cin >> Y >> M >> D;

    X = "Yes";

    if (Y < 2020) {
        X = "Yes";
    }else X = "No";
    
    if (X == "Yes") {
        if (Y == 2019)
        {
            if(M < 6){
            X = "Yes";
            }else X = "No";
        }
    }

    if (X == "Yes") {
        if (M == 5)
        {
            if (D < 32){
                X = "Yes";
            }else X = "No";
        }

    }

    cout << X << "\n";
}