#define PROBLEM "http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=2359"

#include<bits/stdc++.h>
using namespace std;

#define call_from_test
#ifndef call_from_test
#include<bits/stdc++.h>
using namespace std;
#endif
//BEGIN CUT HERE
template<typename T> void drop(const T &x){cout<<x<<endl;exit(0);}
//END CUT HERE
#ifndef call_from_test
//INSERT ABOVE HERE
signed main(){
  return 0;
}
#endif


#ifndef call_from_test
#include <bits/stdc++.h>
using namespace std;
#endif

//BEGIN CUT HERE
template<typename V>
V compress(V vs){
  sort(vs.begin(),vs.end());
  vs.erase(unique(vs.begin(),vs.end()),vs.end());
  return vs;
}
template<typename T>
map<T, int> dict(const vector<T> &vs){
  map<T, int> res;
  for(int i=0;i<(int)vs.size();i++)
    res[vs[i]]=i;
  return res;
}
map<char, int> dict(const string &s){
  return dict(vector<char>(s.begin(),s.end()));
}
//END CUT HERE
#ifndef call_from_test
//INSERT ABOVE HERE
signed main(){
  return 0;
}
#endif


#ifndef call_from_test
#include <bits/stdc++.h>
using namespace std;
#endif

//BEGIN CUT HERE
template<typename T, typename ...Ts>
vector<T> fusion(vector<T> bs,Ts... ts){
  auto append=[&](auto vs){for(auto v:vs) bs.emplace_back(v);};
  initializer_list<int>{(void(append(ts)),0)...};
  return bs;
}
//END CUT HERE
#ifndef call_from_test
signed main(){
  return 0;
}
#endif


#ifndef call_from_test
#include <bits/stdc++.h>
using namespace std;

#endif
//BEGIN CUT HERE
template<typename T>
vector<T> shift(vector<T> vs,vector<T> as){
  assert(vs.size()==as.size());
  for(int i=0;i<(int)vs.size();i++) vs[i]+=as[i];
  return vs;
}
template<typename T>
vector<T> shift(vector<T> vs,T a){
  return shift(vs,vector<T>(vs.size(),a));
}

template<typename T, typename ...Ts>
vector<T> near(vector<T> vs,Ts... ts){
  vector<T> rs;
  rs.reserve(vs.size()*sizeof...(ts));
  auto append=[&](auto a){
    auto ws=shift(vs,a);
    for(auto w:ws) rs.emplace_back(w);
  };
  initializer_list<int>{(void(append(ts)),0)...};
  return rs;
}
//END CUT HERE
#ifndef call_from_test
signed main(){
  return 0;
}
#endif

#ifndef call_from_test
#include<bits/stdc++.h>
using namespace std;
#endif
//BEGIN CUT HERE
template <typename E>
struct SegmentTree{
  using H = function<E(E,E)>;
  int n,height;
  H h;
  E ei;
  vector<E> laz;

  SegmentTree(H h,E ei):h(h),ei(ei){}

  void init(int n_){
    n=1;height=0;
    while(n<n_) n<<=1,height++;
    laz.assign(2*n,ei);
  }

  inline void propagate(int k){
    if(laz[k]==ei) return;
    laz[(k<<1)|0]=h(laz[(k<<1)|0],laz[k]);
    laz[(k<<1)|1]=h(laz[(k<<1)|1],laz[k]);
    laz[k]=ei;
  }

  inline void thrust(int k){
    for(int i=height;i;i--) propagate(k>>i);
  }

  void update(int a,int b,E x){
    if(a>=b) return;
    thrust(a+=n);
    thrust(b+=n-1);
    for(int l=a,r=b+1;l<r;l>>=1,r>>=1){
      if(l&1) laz[l]=h(laz[l],x),l++;
      if(r&1) --r,laz[r]=h(laz[r],x);
    }
  }

  E get_val(int a){
    thrust(a+=n);
    return laz[a];
  }

  void set_val(int a,E x){
    thrust(a+=n);
    laz[a]=x;
  }
};
//END CUT HERE
#ifndef call_from_test
//INSERT ABOVE HERE
signed main(){
  return 0;
}
#endif

#define SegmentTree SegmentTree2
#ifndef call_from_test
#include<bits/stdc++.h>
using namespace std;
#endif
//BEGIN CUT HERE
template <typename T,typename E>
struct SegmentTree{
  using F = function<T(T,T)>;
  using G = function<T(T,E)>;
  using H = function<E(E,E)>;
  int n,height;
  F f;
  G g;
  H h;
  T ti;
  E ei;
  vector<T> dat;
  vector<E> laz;
  SegmentTree(F f,G g,H h,T ti,E ei):
    f(f),g(g),h(h),ti(ti),ei(ei){}

  void init(int n_){
    n=1;height=0;
    while(n<n_) n<<=1,height++;
    dat.assign(2*n,ti);
    laz.assign(2*n,ei);
  }

  void build(const vector<T> &v){
    int n_=v.size();
    init(n_);
    for(int i=0;i<n_;i++) dat[n+i]=v[i];
    for(int i=n-1;i;i--)
      dat[i]=f(dat[(i<<1)|0],dat[(i<<1)|1]);
  }

  inline T reflect(int k){
    return laz[k]==ei?dat[k]:g(dat[k],laz[k]);
  }

  inline void propagate(int k){
    if(laz[k]==ei) return;
    laz[(k<<1)|0]=h(laz[(k<<1)|0],laz[k]);
    laz[(k<<1)|1]=h(laz[(k<<1)|1],laz[k]);
    dat[k]=reflect(k);
    laz[k]=ei;
  }

  inline void thrust(int k){
    for(int i=height;i;i--) propagate(k>>i);
  }

  inline void recalc(int k){
    while(k>>=1)
      dat[k]=f(reflect((k<<1)|0),reflect((k<<1)|1));
  }

  void update(int a,int b,E x){
    if(a>=b) return;
    thrust(a+=n);
    thrust(b+=n-1);
    for(int l=a,r=b+1;l<r;l>>=1,r>>=1){
      if(l&1) laz[l]=h(laz[l],x),l++;
      if(r&1) --r,laz[r]=h(laz[r],x);
    }
    recalc(a);
    recalc(b);
  }

  void set_val(int a,T x){
    thrust(a+=n);
    dat[a]=x;laz[a]=ei;
    recalc(a);
  }

  T query(int a,int b){
    if(a>=b) return ti;
    thrust(a+=n);
    thrust(b+=n-1);
    T vl=ti,vr=ti;
    for(int l=a,r=b+1;l<r;l>>=1,r>>=1) {
      if(l&1) vl=f(vl,reflect(l++));
      if(r&1) vr=f(reflect(--r),vr);
    }
    return f(vl,vr);
  }

  template<typename C>
  int find(int st,C &check,T &acc,int k,int l,int r){
    if(l+1==r){
      acc=f(acc,reflect(k));
      return check(acc)?k-n:-1;
    }
    propagate(k);
    int m=(l+r)>>1;
    if(m<=st) return find(st,check,acc,(k<<1)|1,m,r);
    if(st<=l&&!check(f(acc,dat[k]))){
      acc=f(acc,dat[k]);
      return -1;
    }
    int vl=find(st,check,acc,(k<<1)|0,l,m);
    if(~vl) return vl;
    return find(st,check,acc,(k<<1)|1,m,r);
  }

  template<typename C>
  int find(int st,C &check){
    T acc=ti;
    return find(st,check,acc,1,0,n);
  }
};
//END CUT HERE
#ifndef call_from_test

signed CFR569_C(){
  cin.tie(0);
  ios::sync_with_stdio(0);

  int n,m;
  cin>>n>>m;
  vector<int> as(n),bs(m);
  for(int i=0;i<n;i++) cin>>as[i];
  for(int i=0;i<m;i++) cin>>bs[i];

  auto f=[](int a,int b){return max(a,b);};
  auto g=[](int a,int b){return a+b;};
  int ti=0,ei=0;
  SegmentTree<int, int> seg(f,g,g,ti,ei);

  const int sz = 1<<20;
  seg.build(vector<int>(sz,0));

  for(int i=0;i<n;i++) seg.update(sz-as[i],sz,+1);
  for(int i=0;i<m;i++) seg.update(sz-bs[i],sz,-1);

  int q;
  cin>>q;
  auto check=[](int d){return d>0;};
  for(int i=0;i<q;i++){
    int t,k,v;
    cin>>t>>k>>v;
    k--;
    if(t==1){
      seg.update(sz-as[k],sz,-1);
      as[k]=v;
      seg.update(sz-as[k],sz,+1);
    }
    if(t==2){
      seg.update(sz-bs[k],sz,+1);
      bs[k]=v;
      seg.update(sz-bs[k],sz,-1);
    }
    int pos=seg.find(0,check);
    cout<<(pos<0?pos:sz-pos)<<"\n";
  }
  cout<<flush;
  return 0;
}
/*
  verified on 2019/10/28
  https://codeforces.com/contest/1179/problem/C
*/

signed main(){
  CFR569_C();
  return 0;
}
#endif

#undef SegmentTree
#undef call_from_test

signed main(){
  cin.tie(0);
  ios::sync_with_stdio(0);

  int q;
  cin>>q;
  vector<int> ts(q),as(q),bs(q),ys(q);
  for(int i=0;i<q;i++) cin>>ts[i]>>as[i]>>bs[i]>>ys[i];

  vector<int> vs=fusion(near(as,-1,0,1),near(bs,-1,0,1));
  vs.emplace_back(0);
  vs.emplace_back(1e9+10);
  vs=compress(vs);
  auto dc=dict(vs);
  int m=dc.size();

  using P = pair<int, int>;
  auto h=[&](P a,P b){
    if(a.first) return a;
    return P(b.first,max(a.second,b.second));
  };
  P ei(0,0);
  SegmentTree<P> seg(h,ei);
  seg.init(m);

  for(int i=0;i<q;i++){
    int l=dc[as[i]];
    int r=dc[bs[i]+1];

    if(ts[i]==0) seg.update(l,r,P(0,ys[i]));
    if(ts[i]==1) seg.update(l,r,P(1,0));
  }

  vector<int> zs(m);
  for(int i=0;i<m;i++) zs[i]=seg.get_val(i).second;

  auto ff=[&](int a,int b){return min(a,b);};
  auto gg=[&](int  ,int b){return b;};
  SegmentTree2<int, int> seg2(ff,gg,gg,INT_MAX,-1);
  seg2.build(zs);

  for(int i=0;i<q;i++){
    int l=dc[as[i]];
    int r=dc[bs[i]+1];
    if(ts[i]==0){
      if(seg2.query(l,r)!=ys[i]) drop("NO");
    }
    if(ts[i]==1){
      seg2.update(l,r,ys[i]);
    }
  }
  drop("YES");
  return 0;
}



Measured memory_bytes: 36756