defmodule Main do
  def main do
    1..2
    |> Enum.map(fn _ ->
      IO.read(:line)
      |> String.trim()
      |> String.split(".")
      |> Enum.map(&String.to_integer/1)
    end)
    |> solve
    |> IO.puts()
  end

  def solve([[a, b, c], [x, y, z]]) do
    cond do
      a > x || (a == x && (b > y || (b == y && c >= z))) -> "YES"
      true -> "NO"
    end
  end
end