Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
A WIND monster equipped with this card increases its ATK by 400 points and decreases its DEF by 200 points.
--突風の扇
--Gust Fan
local s,id=GetID()
function s.initial_effect(c)
	aux.AddEquipProcedure(c,nil,aux.FilterBoolFunction(Card.IsAttribute,ATTRIBUTE_WIND))
	--atk up
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_EQUIP)
	e2:SetCode(EFFECT_UPDATE_ATTACK)
	e2:SetValue(400)
	c:RegisterEffect(e2)
	--def down
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_EQUIP)
	e3:SetCode(EFFECT_UPDATE_DEFENSE)
	e3:SetValue(-200)
	c:RegisterEffect(e3)
end