defmodule Main do
  def main do
    [a, b] = IO.read(:line) |> String.trim |> String.split(" ") |> Enum.map(&String.to_integer/1)

    cond do
      a <= b -> IO.puts "Yes"
      a > b -> IO.puts "No"
      true -> IO.puts "No"
    end
  end
end