local b = false
local b1 = true
local x
local t = os.clock()
for i = 1, 1000000 do
	if b then
		if b1 then
			x = 1
		end
	end
end
print("1: " ,os.clock() - t)


t = os.clock()
for i = 1, 1000000 do
	if b and b1 then
		x = 1
	end
end
print("2: " ,os.clock() - t)


os.execute("PAUSE")