#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
#define ll long long
#define rep(i,a,b) for(int i=(a);i<(b);i++)
#define repl(i,a,b) for(ll i=(a);i<(b);i++)
#define all(a) (a).begin(),(a).end()

template <typename T> bool chmin(T &a,T b){if(a>b){a=b;return true;} return false;}
template <typename T> bool chmax(T &a,T b){if(a<b){a=b;return true;} return false;}

int main(){
  int n; cin >> n;
  vector<ll> a(n+1);
  rep(i,0,n+1) cin >> a[i];
  ll sum=0;
  ll cnt=0;
  rep(i,2,n+1){
    sum+=i*a[i];
    cnt+=a[i];
  }
  if(sum-2*(cnt-1)<=a[1] && (sum-a[1])%2 == 0){
    cout << "Yes" << endl;
  }
  else cout << "No" << endl;
}