#include using namespace std; using ll = long long; const ll mod = 1e9 + 7; const ll inf = (1 << 30) - 1; const ll infll = (1LL << 61) - 1; int N, cnt, ans, mp[111]; string a[111][111]; //日にちの前後 a < bならafter string after(int a[], int b[]) { string s[3] = {"after", "before", "equal"}; for (int i = 0; i < 3; i++) { if (a[i] < b[i]) return s[0]; else if (a[i] > b[i]) return s[1]; } return s[2]; } int main() { int a[3] = {2019, 5, 1}, b[3], c[3] = {1989, 1, 9}; cin >> b[0] >> b[1] >> b[2]; if (after(a, b) != "before" || after(c, b) != "after") cout << "No" << endl; else cout << "Yes" << endl; }