#include<iostream>
#include<vector>
#include<cassert>
#include<atcoder/modint>
#include<atcoder/lazysegtree>
using namespace std;
using mint=atcoder::modint998244353;
mint op(mint a,mint b){return a;}
mint e(){return mint::raw(0);}
using F=pair<mint,mint>;
mint mp(F f,mint x){return f.first*x+f.second;}
F cmp(F f,F g){return make_pair(f.first*g.first,f.first*g.second+f.second);}
F id(){return make_pair(mint::raw(1),mint::raw(0));}
int N,Q;
vector<int>G[100000];
vector<int>V;
int inv[100000],pr[100000];
int cL[100000],cR[100000];
int vL[100000],vR[100000];
void dfs(int u,int p)
{
	pr[u]=p;
	cL[u]=vL[u]=V.size();
	for(int v:G[u])if(v!=p)
	{
		inv[v]=V.size();
		V.push_back(v);
	}
	cR[u]=V.size();
	for(int v:G[u])if(v!=p)dfs(v,u);
	vR[u]=V.size();
}
int main()
{
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	cin>>N>>Q;
	for(int i=1;i<N;i++)
	{
		int a,b;
		cin>>a>>b;
		a--,b--;
		G[a].push_back(b);
		G[b].push_back(a);
	}
	inv[0]=0;
	V.push_back(0);
	dfs(0,-1);
	vector<mint>init(N);
	for(int i=0;i<N;i++)
	{
		int x;cin>>x;
		init[inv[x]]=mint::raw(x);
	}
	atcoder::lazy_segtree<mint,op,e,F,mp,cmp,id>seg(init);
	for(int i=0;i<Q;i++)
	{
		int op;cin>>op;
		if(op==1)
		{
			int v;cin>>v;v--;
			cout<<seg.get(inv[v]).val()<<"\n";
		}
		else if(op==2)
		{
			int v,k,c,d;
			cin>>v>>k>>c>>d;v--;
			F f=make_pair(mint::raw(c),mint::raw(d));
			seg.set(inv[v],mp(f,seg.get(inv[v])));
			if(pr[v]!=-1)seg.set(inv[pr[v]],mp(f,seg.get(inv[pr[v]])));
			seg.apply(cL[v],cR[v],f);
		}
		else
		{
			int v,c,d;
			cin>>v>>c>>d;v--;
			F f=make_pair(mint::raw(c),mint::raw(d));
			seg.set(inv[v],mp(f,seg.get(inv[v])));
			seg.apply(vL[v],vR[v],f);
		}
	}
}