#include <bits/stdc++.h>
using namespace std;
#define ALL(x) (x).begin(), (x).end()
#define REP(i, n) for(ll i=0; i<(ll)(n); i++)

template<typename T> bool chmax(T& a, T b) { return a<b ? a=b, true : false; }
template<typename T> bool chmin(T& a, T b) { return a>b ? a=b, true : false; }
using ll=long long; const int INF=1e9+10; const ll INFL=4e18;
using VI=vector<int>; using VVI=vector<VI>; using VL=vector<ll>; using VVL=vector<VL>;
using PL=pair<ll,ll>; using VP=vector<PL>; using WG=vector<vector<pair<int,ll>>>;

#ifdef LOCAL
#include "./debug.hpp"
#else
#define debug(...)
#define print_line
#endif


//----------------------------------------------------------

void solve() {
    ll N; cin>>N;
    VL A(N+1); REP(i,N+1) cin>>A[i];

    ll vtx=reduce(ALL(A));
    ll degsum=0; REP(i,N+1) degsum+=A[i]*i;

    ll koritu=A[0];
    vtx-=koritu;

    if(degsum%2==1) {
        puts("No");
        return;
    }

    ll edge=degsum/=2;

    if(vtx==0 || edge>=vtx) puts("No");
    else puts("Yes");
}

int main() {
    ios::sync_with_stdio(false); cin.tie(nullptr);
    //cout<<fixed<<setprecision(15);
    int T=1;
    //cin>>T;
    while(T--) solve();
}