#ifndef call_from_test
#include<bits/stdc++.h>
using namespace std;
using Int = long long;
#endif
//BEGIN CUT HERE
template<typename T,typename E>
struct LinkCutTree{
  struct Node{
    Node *l,*r,*p;
    size_t sz;// tree size (only for root)
    int idx;
    bool rev;
    T val,dat;
    E laz;
    Node():sz(1){}
    Node(int idx,T val,E laz):
      sz(1),idx(idx),rev(0),val(val),dat(val),laz(laz){l=r=p=nullptr;}
    bool is_root(){
      return !p||(p->l!=this&&p->r!=this);
    }
  };

  using F = function<T(T,T)>;
  using G = function<T(T,E)>;
  using H = function<E(E,E)>;
  using S = function<T(T)>;
  F f;
  G g;
  H h;
  S flip;
  T ti;
  E ei;

  const size_t LIM = 1e6;
  vector<Node> pool;
  size_t ptr;

  LinkCutTree(F f,G g,H h,T ti,E ei):
    f(f),g(g),h(h),ti(ti),ei(ei),pool(LIM),ptr(0){
    flip=[](T a){return a;};
  }

  LinkCutTree(F f,G g,H h,S flip,T ti,E ei):
    f(f),g(g),h(h),flip(flip),ti(ti),ei(ei),pool(LIM),ptr(0){}

  inline Node* create(){
    return &pool[ptr++];
  }

  inline Node* create(int idx,T v){
    return &(pool[ptr++]=Node(idx,v,ei));
  }

  void propagate(Node *t,E v){
    t->laz=h(t->laz,v);
    t->val=g(t->val,v);
    t->dat=g(t->dat,v);
  }

  void toggle(Node *t){
    swap(t->l,t->r);
    t->dat=flip(t->dat);
    t->rev^=1;
  }

  void eval(Node *t){
    if(t->laz!=ei){
      if(t->l) propagate(t->l,t->laz);
      if(t->r) propagate(t->r,t->laz);
      t->laz=ei;
    }
    if(t->rev){
      if(t->l) toggle(t->l);
      if(t->r) toggle(t->r);
      t->rev=false;
    }
  }

  void pushup(Node *t){
    t->dat=t->val;
    if(t->l) t->dat=f(t->l->dat,t->dat);
    if(t->r) t->dat=f(t->dat,t->r->dat);
  }

  void rotR(Node *t){
    Node *x=t->p,*y=x->p;
    x->sz-=t->sz;
    t->sz+=x->sz;
    if((x->l=t->r)) t->r->p=x,x->sz+=x->l->sz;
    t->r=x;x->p=t;
    pushup(x);pushup(t);
    if((t->p=y)){
      if(y->l==x) y->l=t;
      if(y->r==x) y->r=t;
      pushup(y);
    }
  }

  void rotL(Node *t){
    Node *x=t->p,*y=x->p;
    x->sz-=t->sz;
    t->sz+=x->sz;
    if((x->r=t->l)) t->l->p=x,x->sz+=x->r->sz;
    t->l=x;x->p=t;
    pushup(x);pushup(t);
    if((t->p=y)){
      if(y->l==x) y->l=t;
      if(y->r==x) y->r=t;
      pushup(y);
    }
  }

  void splay(Node *t){
    eval(t);
    while(!t->is_root()){
      Node *q=t->p;
      if(q->is_root()){
        eval(q);eval(t);
        if(q->l==t) rotR(t);
        else rotL(t);
      }else{
        auto *r=q->p;
        eval(r);eval(q);eval(t);
        if(r->l==q){
          if(q->l==t) rotR(q),rotR(t);
          else rotL(t),rotR(t);
        }else{
          if(q->r==t) rotL(q),rotL(t);
          else rotR(t),rotL(t);
        }
      }
    }
  }

  Node* expose(Node *t){
    Node *rp=nullptr;
    for(Node *c=t;c;c=c->p){
      splay(c);
      c->r=rp;
      pushup(c);
      rp=c;
    }
    splay(t);
    return rp;
  }

  void link(Node *par,Node *c){
    expose(c);
    expose(par);
    c->p=par;
    par->r=c;
    par->sz+=c->sz;
  }

  void cut(Node *c){
    expose(c);
    Node *par=c->l;
    c->l=nullptr;
    par->p=nullptr;
    c->sz-=par->sz;
  }

  void evert(Node *t){
    expose(t);
    toggle(t);
    eval(t);
  }

  Node *root(Node *t){
    expose(t);
    while(t->l) t=t->l;
    splay(t);
    return t;
  }

  bool is_connected(Node *a,Node *b){
    return root(a)==root(b);
  }

  Node *lca(Node *a,Node *b){
    expose(a);
    return expose(b);
  }

  T query(Node *t){
    expose(t);
    return t->dat;
  }

  void update(Node *t,E v){
    expose(t);
    propagate(t,v);
    eval(t);
  }
};
//END CUT HERE
#ifndef call_from_test
//INSERT ABOVE HERE
signed YUKI_650(){
  cin.tie(0);
  ios::sync_with_stdio(0);

  struct M{
    Int a,b,c,d;
    M():a(1),b(0),c(0),d(1){}
    M(Int a,Int b,Int c,Int d):a(a),b(b),c(c),d(d){}
    //M(const M &v):a(v.a),b(v.b),c(v.c),d(v.d){}
    bool operator!=(const M &x)const{
      return a!=x.a||b!=x.b||c!=x.c||d!=x.d;
    }
    bool operator==(const M &x)const{
      return !(*this!=x);
    }
  };

  const int MOD=1e9+7;
  using M2 = pair<M, M>;
  using LCT = LinkCutTree<M2, M2>;
  auto f=[MOD](M x,M y){
           M r(0,0,0,0);
           r.a=x.a*y.a+x.b*y.c;
           r.b=x.a*y.b+x.b*y.d;
           r.c=x.c*y.a+x.d*y.c;
           r.d=x.c*y.b+x.d*y.d;
           r.a%=MOD;r.b%=MOD;r.c%=MOD;r.d%=MOD;
           return r;
         };
  auto f2=[&](M2 x,M2 y){
            return M2(f(x.first,y.first),f(y.second,x.second));
          };
  auto g=[](M2 x,M2 y){x.first.a++;return y;};
  auto s=[](M2 x){swap(x.first,x.second);return x;};

  int n;
  cin>>n;
  vector<vector<int> > G(n);
  vector<int> X,Y;
  for(int i=1;i<n;i++){
    int a,b;
    cin>>a>>b;
    X.emplace_back(a);
    Y.emplace_back(b);
    G[a].emplace_back(b);
    G[b].emplace_back(a);
  }
  M ti=M();
  M ei(-1,-1,-1,-1);
  LCT lct(f2,g,g,s,M2(ti,ti),M2(ei,ei));


  vector<LCT::Node*> vs(n*2-1);
  for(int i=0;i<(int)vs.size();i++) vs[i]=lct.create(i,M2(ti,ti));

  vector<map<int, int> > rev(n);
  int idx=n;
  {
    using P = pair<int, int>;
    queue<P> q;
    q.emplace(0,-1);
    while(!q.empty()){
      int v,p;
      tie(v,p)=q.front();q.pop();
      if(~p){
        lct.link(vs[p],vs[idx]);
        lct.link(vs[idx],vs[v]);
        rev[p][v]=rev[v][p]=idx++;
      }
      for(int u:G[v])
        if(u!=p) q.emplace(u,v);
    }
  }

  int q;
  cin>>q;
  for(int i=0;i<q;i++){
    char c;
    cin>>c;
    if(c=='x'){
      Int v,a,b,c,d;
      cin>>v>>a>>b>>c>>d;
      int z=rev[X[v]][Y[v]];
      lct.expose(vs[z]);
      vs[z]->val=M2(M(a,b,c,d),M(a,b,c,d));
      lct.pushup(vs[z]);
    }
    if(c=='g'){
      Int x,y;
      cin>>x>>y;
      lct.evert(vs[x]);
      M ans=lct.query(vs[y]).first;
      cout<<ans.a<<" "<<ans.b<<" "<<ans.c<<" "<<ans.d<<"\n";
    }
  }
  cout<<flush;
  return 0;
}
/*
  verified on 2019/06/08
  https://yukicoder.me/problems/no/650
*/

signed SPOJ_DYNACON1(){
  cin.tie(0);
  ios::sync_with_stdio(0);
  int n,m;
  cin>>n>>m;
  using LCT = LinkCutTree<int, int>;
  auto f=[](int a,int b){return a+b;};
  LCT lct(f,f,f,0,0);
  vector<LCT::Node* > vs(n);
  for(int i=0;i<n;i++) vs[i]=lct.create(i,0);
  for(int i=0;i<m;i++){
    string s;
    int a,b;
    cin>>s>>a>>b;
    a--;b--;
    if(s=="add"s){
      lct.evert(vs[b]);
      lct.link(vs[a],vs[b]);
    }
    if(s=="rem"s){
      auto v=lct.lca(vs[a],vs[b])==vs[a]?vs[b]:vs[a];
      lct.cut(v);
    }
    if(s=="conn"s)
      cout<<(lct.is_connected(vs[a],vs[b])?"YES\n":"NO\n");
  }
  cout<<flush;
  return 0;
}
/*
  verified on 2019/06/08
  https://www.spoj.com/problems/DYNACON1/
*/

signed main(){
  //YUKI_650();
  //SPOJ_DYNACON1();
  return 0;
}
#endif