N = int(input())
a = [int(_) for _ in input().split()]
s = set()
for i in range(N):
    s.add(a[i])
if len(s) == 1 and 0 in s:
    print('Yes')
else:
    if N%3 != 0 or len(s) != 3:
        print('No')
    else:
        cnt = []
        for x in s:
            cnt.append(a.count(x))
        if len(set(cnt)) != 1:
            print('No')
        else:
            xor = 0
            for x in s:
                xor ^= x
            if xor == 0:
                print('Yes')
            else:
                print('No')