-- helper functions

function isNumber(token: string): boolean
	if tonumber(token) ~= nil then
		return true
	else
		return false
	end
end

	


for line in io.lines() do
	local tokens = {}
	for token in line:gmatch("%S+") do
		table.insert(tokens, token)
	end
	for idx, val in ipairs(tokens) do
		print(idx, val, isNumber(val))
	end
end