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

int main() {
    cin.tie(nullptr);
    ios_base::sync_with_stdio(false);
    ll n; cin >> n;
    vector<ll> a(n + 1);
    for (ll &x : a) cin >> x;
    ll lb = 0, ub = 0;
    for (ll i = 2; i <= n; i++) {
        lb += a[i] * (i - 1);
        ub += a[i] * i;
    }
    if (lb > 0) lb++;
    if (a[1] < lb) {
        cout << "No" << "\n";
        return 0;
    } else if (a[1] <= ub) {
        cout << "Yes" << "\n";
        return 0;
    }
    ll res = a[1] - ub;
    if (res % 2 == 0 || res > n) {
        cout << "Yes" << "\n";
    } else {
        cout << "No" << "\n";
    }
    return 0;
}