n=int(input())
a=list(map(int,input().split()))
a_sum=0
f=True
for i in range(n-1,-1,-1):
    if (a[i]+a_sum)%(i+1)==0:
        a_sum+=(a[i]+a_sum)//(i+1)
    else:
        f=False
        break
print('Yes' if f else 'No')