n = int(input())
arr = list(map(int,input().split()))
flag = 0 
for i in range(0,n):
    if(arr[n-i-1] + arr[i] != arr[0]+ arr[n-1]):
        # print(arr[n-i-1],arr[i], arr[i])
        print("No")
        flag = 1 
        break

if flag == 0:
    print("Yes")