#include using namespace std; typedef long long ll; #define REP(i,n) for(int i=0; i #define VLL vector #define VVI vector> #define VVLL vector> #define VC vector #define VS vector #define VVC vector> #define fore(i,a) for(auto &i:a) typedef pair P; template bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } template bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } const int INF = 2147483647; const ll INFL = 9223372036854775807; const ll mod = 1000000007; int main() { int y, m, d; cin >> y >> m >> d; if (1989 < y || y < 2019) { cout << "Yes" << endl; return 0; } if (y == 1989) { if (m == 1 && d < 8) { cout << "No" << endl; } else cout << "Yes" << endl; return 0; } if (y == 2019) { if (y < 5) { cout << "Yes" << endl; } else cout << "No" << endl; return 0; } cout << "No" << endl; return 0; }