#!/bin/lua

local caps = true
local line = ""
for i, v in pairs(arg) do
	if i >= 1 then
		local str, sv = "", tostring(v)
		for n = 1, #sv do
			if caps then
				str = str .. sv:sub(n, n):upper()
			else
				str = str .. sv:sub(n, n):lower() 
			end
			caps = not caps
		end

		line = line .. str .. " "
	end
end

print(line)