Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Each player sends the top card of their Deck to the Graveyard.
--二者一両損
--Simultaneous Loss
local s,id=GetID()
function s.initial_effect(c)
	--discard deck
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCategory(CATEGORY_DECKDES)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetCost(s.discost)
	e1:SetOperation(s.disop)
	c:RegisterEffect(e1)
end
function s.discost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsPlayerCanDiscardDeck(tp,1) and Duel.IsPlayerCanDiscardDeck(1-tp,1) end
	Duel.SetOperationInfo(0,CATEGORY_DECKDES,nil,0,PLAYER_ALL,1)
end
function s.disop(e,tp,eg,ep,ev,re,r,rp)
	Duel.DiscardDeck(0,1,REASON_EFFECT)
	Duel.DiscardDeck(1,1,REASON_EFFECT)
end