// #region
enum Input {
  static func int() -> Int {
    return Int(readLine()!)!
  }

  static func ints() -> (Int, Int) {
    readLine()!.split(separator: " ").map { Int($0)! }[0, 1]
  }
}

extension Bool {
  func print<T>(yes: T, no: T) {
    Swift.print(self ? yes : no)
  }
}

extension String {
  func print() {
    Swift.print(self)
  }
}

extension Array {
  subscript(a: Int, b: Int) -> (Element, Element) {
    (self[a], self[b])
  }
}
// #endregion

let (h, m) = Input.ints()
var ans = ""

if h <= 6 || (h == 7 && m < 30) {
  ans = "Yes"
} else if (h == 8 && m < 30) || h >= 9 {
  ans = "No"
} else {
  ans = "Late"
}

ans.print()