import sys
input=lambda: sys.stdin.readline().rstrip()
n=int(input())
A=[0]+[int(i) for i in input().split()]
ct=0
chk=True
for i in range(1,n+1)[::-1]:
	if (A[i]+ct)%i!=0:
		chk=False
	else:
		ct+=(A[i]+ct)//i
print("Yes" if chk else "No")