fun main ← int by List args
  int a, b
  if args.length > 1
    a ← int!args[0]
    b ← int!args[1]
  else
    a ← ask(int, "Enter the first integer ")
    b ← ask(int, "Enter the second integer ")
  end
  writeLine("[ a ◇ b is " + (a ◇ b) + " ]")
  if a < b do writeLine(a + " < " + b) end
  if a æ b do writeLine(a + " æ " + b) end
  if a > b do writeLine(a + " > " + b) end
  return 0
end
exit main(Runtime.args)