import collections
N=int(input())
A=[int(x) for x in input().split()]
AA=sorted(A)
c=collections.Counter(A)
third=N//3
answer="No"

#文字が全部0
if all(a==0 for a in A):
  answer="Yes"

#0aa0aaという並びに出来る
#0がN/3個,aが2N/3個で数字は二種類
elif len(c)==2 and N%3==0:
  if all(a in AA[:third]==0 for a in AA):
    answer="Yes"
     
#abc,abc...,abcという並びに出来る
#aがN/3個,bがN/3個,cがN/3個で数字は三種類
elif len(c)==3 and N%3==0:
  if A.count(AA[0])==third and \
  A.count(AA[third])==third and \
  A.count(AA[2*third])==third:
    if bin(AA[0]^AA[third])==bin(AA[2*third]) and \
    bin(AA[third]^AA[2*third])==bin(AA[0]) and \
    bin(AA[2*third]^AA[0])==bin(AA[third]):
      answer="Yes"
    
print(answer)