// #define _GLIBCXX_DEBUG
#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); ++i)
int main() {
    // Input
    int Y, M, D;
    cin >> Y >> M >> D;

    // Output
    int first = 19890108;
    int last = 20190430;
    int pos = Y * 10000 + M * 100 + D;
    cout << (first <= pos && pos <= last ? "Yes" : "No") << endl;
}