#!/usr/bin/env python3
import sys
from collections import defaultdict

YES = "Yes"  # type: str
NO = "No"  # type: str

def solve(N: int, a: "List[int]"):
    A = defaultdict(lambda : 0)
    for x in a:
        A[x] += 1
    if len(A) == 1 and 0 in a:
        print(YES)
        return
    if N % 3 > 0:
        print(NO)
        return
    if len(A) != 3:
        print(NO)
        return
    L = list(A.keys())
    if L[0] ^ L[1] != L[2]:
        print(NO)
        return
    if A[L[0]] == A[L[1]] and A[L[0]] == A[L[2]]:
        print(YES)
        return
    print(NO)
    return


# Generated by 1.1.4 https://github.com/kyuridenamida/atcoder-tools  (tips: You use the default template now. You can remove this line by using your custom template)
def main():
    def iterate_tokens():
        for line in sys.stdin:
            for word in line.split():
                yield word
    tokens = iterate_tokens()
    N = int(next(tokens))  # type: int
    a = [ int(next(tokens)) for _ in range(N) ]  # type: "List[int]"
    solve(N, a)

if __name__ == '__main__':
    main()
