import sys
sys.setrecursionlimit(200000)

input = lambda: sys.stdin.readline().strip()

def main():
    n = int(input())

    nums = list(map(int, input().split()))

    t = nums[0] + nums[n-1]

    l, r = 0, n - 1
    while l < r:
        temp = nums[l] + nums[r]
        if temp != t:
            print("No")
            exit()
        l += 1
        r -= 1
    print("Yes")

if __name__ == "__main__":
    main()