#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
typedef pair<ll,ll> P;
typedef vector<ll> VI;
typedef vector<VI> VVI;
const ll MOD = 1000000007;
const ll INF = 1e18;
#define REP(i,n) for(int i=0;i<n;i++)
#define ALL(v) v.begin(),v.end()

int main(){
	int n; cin >> n;
	VI a(n); REP(i,n) cin >> a[i];
	ll c=0; bool no=0;
	for(int i=n-1;i>=0;i--){
		if((a[i]+c)%(i+1)!=0){
			no=1;
			break;
		}
		c+=(c+a[i])/(i+1);
	}
	if(no)
		cout << "No" << endl;
	else
		cout << "Yes" << endl;
	return 0;
}