Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Equip only to "Elemental HERO Neos". It gains 800 ATK. When it destroys a monster by battle and sends it to the Graveyard: Inflict damage to your opponent equal to the original ATK of the destroyed monster in the Graveyard. During the End Phase: Shuffle this card into the Deck.
--ネオス・フォース
--Neos Force
local s,id=GetID()
function s.initial_effect(c)
	aux.AddEquipProcedure(c,nil,aux.FilterBoolFunction(Card.IsCode,CARD_NEOS))
	--atk
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_EQUIP)
	e2:SetCode(EFFECT_UPDATE_ATTACK)
	e2:SetValue(800)
	c:RegisterEffect(e2)
	--damage
	local e4=Effect.CreateEffect(c)
	e4:SetDescription(aux.Stringid(id,0))
	e4:SetCategory(CATEGORY_DAMAGE)
	e4:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_F)
	e4:SetCode(EVENT_BATTLE_DESTROYING)
	e4:SetRange(LOCATION_SZONE)
	e4:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e4:SetCondition(s.damcon)
	e4:SetTarget(s.damtg)
	e4:SetOperation(s.damop)
	c:RegisterEffect(e4)
	--return
	local e5=Effect.CreateEffect(c)
	e5:SetDescription(aux.Stringid(id,1))
	e5:SetCategory(CATEGORY_TODECK)
	e5:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_F)
	e5:SetCode(EVENT_PHASE+PHASE_END)
	e5:SetRange(LOCATION_SZONE)
	e5:SetCountLimit(1)
	e5:SetTarget(s.rettg)
	e5:SetOperation(s.retop)
	c:RegisterEffect(e5)
end
s.listed_names={CARD_NEOS}
function s.damcon(e,tp,eg,ep,ev,re,r,rp)
	local ec=eg:GetFirst()
	local bc=ec:GetBattleTarget()
	return ec==e:GetHandler():GetEquipTarget() and bc:IsLocation(LOCATION_GRAVE) and bc:IsReason(REASON_BATTLE)
end
function s.damtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	local ec=eg:GetFirst()
	local bc=ec:GetBattleTarget()
	local dam=bc:GetAttack()
	Duel.SetTargetPlayer(1-tp)
	Duel.SetTargetParam(dam)
	Duel.SetOperationInfo(0,CATEGORY_DAMAGE,nil,0,1-tp,dam)
end
function s.damop(e,tp,eg,ep,ev,re,r,rp)
	if not e:GetHandler():IsRelateToEffect(e) then return end
	local p,d=Duel.GetChainInfo(0,CHAININFO_TARGET_PLAYER,CHAININFO_TARGET_PARAM)
	Duel.Damage(p,d,REASON_EFFECT)
end
function s.rettg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetOperationInfo(0,CATEGORY_TODECK,e:GetHandler(),1,0,0)
end
function s.retop(e,tp,eg,ep,ev,re,r,rp)
	if not e:GetHandler():IsRelateToEffect(e) then return end
	Duel.SendtoDeck(e:GetHandler(),nil,SEQ_DECKSHUFFLE,REASON_EFFECT)
end