#include<bits/stdc++.h>

using namespace std;
using ll=long long;
#define rep2(i, a, n) for(int i = (a); i < (n); i++)
#define rep(i, n) rep2(i,0,n)

int main(){
  cin.tie(nullptr);ios_base::sync_with_stdio(false);
  int n;cin>>n;
  vector<int> hoge(n+1);
  int a[n],b[n];
  rep2(i,1,n)cin>>a[i];
  rep2(i,1,n)cin>>b[i];
  rep(i,n){
    cin>>a[i]>>b[i];
    hoge[b[i]]+=a[i];
  }
  rep2(i,1,n){
    //cout<<hoge[0]<<" "<<hoge[i]<<endl;
    if(hoge[0]<hoge[i]){
      cout<<"NO"<<endl;
      return 0;
    }
  }
  cout<<"YES"<<endl;
}