#include <bits/stdc++.h>
using namespace std;
#include <boost/multiprecision/cpp_int.hpp>
typedef boost::multiprecision::cpp_int mp;

int main(){
    int n;
    cin>>n;
    vector<mp> A(n);
    for(int i=0;i!=n;++i){
        cin>>A[i];
    }
    mp cnt=0;
    for(int i=n-1;i!=-1;--i){
        cerr<<(A[i]+cnt)<<' '<<(i+1)<<endl;
        if((A[i]+cnt)%(i+1)){
            cout<<"No"<<endl;
            return 0;
        }
        cnt+=(A[i]+cnt)/(i+1);
    }
    cout<<"Yes"<<endl;
}