thing

num = nil
input = nil
print("min random?")
startRand = io.read()
print("max random?")
randomizer = io.read()
print("min additions?")
minAdd = io.read()
print("max additions?")
maxAdd = io.read()
while true do
  total = 0
  additions = math.random(minAdd,maxAdd)
  message = "What is "
  for i=1,additions do
    num = math.random(startRand,randomizer)
    total = total + num
    message = message .. num
    if (i < additions) then
      message = message .. " + "
    end
  end
  print (message)
  input = io.read()
  if tonumber(input) == total then
    print("you got it right !")
  else
    print("you might have got it wrong, or its a bug")
  end
end