#include<bits/stdc++.h>

using namespace std;
using ll = long long;


int main()
{
    ll n; cin >> n;
    vector<ll> a(n+1);
    for(ll i = 0; i < n; i++)cin >> a[i+1];


    ll sum = 0;
    for(ll i = n; i >= 1; i--) {
        if(a[i] % i){cout << "No" << endl; return 0;}
        sum += a[i] / i;
        a[i - 1] += sum;
    }
    cout << "Yes" << endl;


}