N = int(input())

A = [0] + list(map(int, input().split()))

x = 0
for i in range(N, 0, -1):
    
    if (A[i] + x) % i == 0:
        
        x += (A[i] + x) // i
        
    else:
        print('No')
        exit()
        
print('Yes')