defmodule Main do
  def main do
    n = ii()
    f(n)
  end

  def f(n) do
    if n != 0 do
      [a, b] = li()
      if a == b do
        IO.puts("=")
      else
        if max(a, b) == a do
          IO.puts [60]
        else
          IO.puts [62]
        end
      end
      f(n-1)
    end
  end

  def input, do: String.trim(IO.read(:line))
  def ii, do: String.to_integer(input())
  def li, do: Enum.map(String.split(input()), &String.to_integer/1)
end