N = int(input())
A = list(map(int, input().split()))
assert len(A) == N

def yes():
    S = set(A)
    if A.count(0) == N:
        return True
    if N % 3 != 0:
        return False
    if len(S) == 3:
        a, b, c = tuple(S)
        return any(A.count(x) == N // 3 for x in S) and a ^ b == c
    if len(S) == 2:
        a, b = tuple(S)
        return (a == 0 or b == 0) and A.count(0) == N // 3

print('Yes' if yes() else 'No')
