local lt = string.char(60)
local gt = string.char(62)
q = io.read("*n")
for iq = 1, q do
  a, b = io.read("*n", "*n")
  if a == b then
    print("=")
  elseif math.abs(b - a) == b - a then
    print(lt)
  else
    print(gt)
  end
end