#include <bits/stdc++.h>
using namespace std;
#define rep(i, n)  for(long long i=0;i<(long long)(n);i++)
#define REP(i,k,n) for(long long i=k;i<(long long)(n);i++)
#define all(a) a.begin(),a.end()
#define pb emplace_back
#define eb emplace_back
#define lb(v,k) (lower_bound(all(v),k)-v.begin())
#define ub(v,k) (upper_bound(all(v),k)-v.begin())
#define fi first
#define se second
#define pi M_PI
#define PQ(T) priority_queue<T>
#define SPQ(T) priority_queue<T,vector<T>,greater<T>>
#define dame(a) {out(a);return 0;}
#define decimal cout<<fixed<<setprecision(15);
#define dupli(a) {sort(all(a));a.erase(unique(all(a)),a.end());}
typedef long long ll;
typedef pair<ll,ll> P;
typedef tuple<ll,ll,ll> PP;
typedef tuple<ll,ll,ll,ll> PPP;
typedef multiset<ll> S;
using vi=vector<ll>;
using vvi=vector<vi>;
using vvvi=vector<vvi>;
using vvvvi=vector<vvvi>;
using vp=vector<P>;
using vvp=vector<vp>;
using vb=vector<bool>;
using vvb=vector<vb>;
const ll inf=1001001001001001001;
const ll INF=1001001001;
const ll mod=1000000007;
const double eps=1e-10;
template<class T> bool chmin(T&a,T b){if(a>b){a=b;return true;}return false;}
template<class T> bool chmax(T&a,T b){if(a<b){a=b;return true;}return false;}
template<class T> void out(T a){cout<<a<<'\n';}
template<class T> void outp(T a){cout<<'('<<a.fi<<','<<a.se<<')'<<'\n';}
template<class T> void outvp(T v){rep(i,v.size())cout<<'('<<v[i].fi<<','<<v[i].se<<')';cout<<'\n';}
template<class T> void outvvp(T v){rep(i,v.size())outvp(v[i]);}
template<class T> void outv(T v){rep(i,v.size()){if(i)cout<<' ';cout<<v[i];}cout<<'\n';}
template<class T> void outvv(T v){rep(i,v.size())outv(v[i]);}
template<class T> bool isin(T x,T l,T r){return (l)<=(x)&&(x)<=(r);}
template<class T> void yesno(T b){if(b)out("yes");else out("no");}
template<class T> void YesNo(T b){if(b)out("Yes");else out("No");}
template<class T> void YESNO(T b){if(b)out("YES");else out("NO");}
template<class T> void noyes(T b){if(b)out("no");else out("yes");}
template<class T> void NoYes(T b){if(b)out("No");else out("Yes");}
template<class T> void NOYES(T b){if(b)out("NO");else out("YES");}
void outs(ll a,ll b){if(a>=inf-100)out(b);else out(a);}
ll gcd(ll a,ll b){if(b==0)return a;return gcd(b,a%b);}
ll modpow(ll a,ll b){ll res=1;a%=mod;while(b){if(b&1)res=res*a%mod;a=a*a%mod;b>>=1;}return res;}
class UF{
    vi data;stack<P> st;
public:
    UF(ll n){
        data=vi(n,1);
    }
    bool heigou(ll x,ll y,bool undo=false){
        x=root(x);y=root(y);
        if(data[x]>data[y])swap(x,y);
        if(undo){st.emplace(y,data[y]);st.emplace(x,data[x]);}
        if(x==y)return false;
        data[y]+=data[x];data[x]=-y;
        return true;
    }
    ll root(ll i){if(data[i]>0)return i;return root(-data[i]);}
    ll getsize(ll i){return data[root(i)];}
    bool same(ll a,ll b){return root(a)==root(b);}
    void undo(){rep(i,2){data[st.top().fi]=st.top().se;st.pop();}}
};
int main(){
    ll n,m;cin>>n>>m;
    vi a(n),b(n);
    UF uf(n);
    rep(i,n)cin>>a[i];
    rep(i,n)cin>>b[i];
    rep(i,m){
        ll c,d;cin>>c>>d;
        uf.heigou(c-1,d-1);
    }
    vi ans(n);
    rep(i,n)ans[uf.root(i)]+=a[i]-b[i];
    rep(i,n)if(ans[i]!=0)dame("No");
    out("Yes");
}
# pragma GCC optimize ("O3")
# pragma GCC optimize ("Ofast")
# pragma GCC optimize ("unroll-loops")
#define _CRT_SECURE_NO_WARNINGS
#include <bits/stdc++.h>
#define rep(i,a,b) for(int i = (a); i < (b); i++)
#define rep2(i,a,b) for(int i = (b) - 1; i >= (a); i--)
#define all(x) (x).begin(), (x).end()
#define sz(x) ((int)(x).size())
#define pb push_back
#define x first
#define y second
using namespace std;
using ll = long long;
using tl = tuple<ll, ll, ll, ll>;
using pl = pair<ll, ll>;
using pi = pair<int, int>;
using ld = long double;

const int MAX = 1e5;
int N, C[MAX], u, v;
vector<int> adj[MAX], ans;
map<int, int> chk;
void dfs(int u, int p){
    if(chk[C[u]] == 0) ans.pb(u);
    chk[C[u]]++;
    for(auto v: adj[u]){
        if(v == p) continue;
        dfs(v, u);
    }
    chk[C[u]]--;
}
int main() {
    cin.tie(0); cout.tie(0); ios_base::sync_with_stdio(false);
    cin >> N;
    rep(i, 0, N) cin >> C[i];
    rep(i, 1, N){
        cin >> u >> v; u--; v--;
        adj[u].pb(v);
        adj[v].pb(u);
    }
    dfs(0, -1);
    sort(all(ans));
    for(auto u: ans) cout << u + 1 << "\n";
}
