#include <bits/stdc++.h>
#define show(x) std::cerr << #x << " = " << (x) << std::endl
using ll = long long;
using ld = long double;
constexpr ll MOD = 1000000007LL;
template <typename T>
constexpr T INF() { return std::numeric_limits<T>::max() / 16; }
std::mt19937 mt{std::random_device{}()};
int main()
{
    int y, m, d;
    std::cin >> y >> m >> d;
    if (1989 < y and y < 2019) { return std::cout << "Yes" << std::endl, 0; }
    if (y < 1989 or y > 2019) { return std::cout << "No" << std::endl, 0; }
    if (y == 1989) { return std::cout << (m >= 2 or d >= 8 ? "Yes" : "No") << std::endl, 0; }
    std::cout << (m <= 3 or m == 4 and d <= 30 ? "Yes" : "No") << std::endl;
    return 0;
}