Buggy python submission (verdict: Runtime Error):
import itertools
n=int(input())
l=list(map(int,input().split()))
if n!=3:print("No")
else:
  flag=0
  for i in itertools.permutations(s):
    if i[0]^i[2]==i[1] and i[1]^i[2]==i[0] and i[0]^i[1]==i[2]:flag+=1
  if flag!=0:print("Yes")
  else:print("No")


Fixed submission:
import sys
import itertools
n=int(input())
l=list(map(int,input().split()))
l.sort()
s=set(l)
if len(s)>=4 :print("No");sys.exit()
if len(s)==1:print("Yes" if 0 in s else "No");sys.exit()
s=list(s);s.sort()
if len(s)==2:
  if 0 not in s:print("No");sys.exit()
  if n%3==1:
    if l.count(0)==(n-1)//3:print("Yes");sys.exit()
    else:print("No");sys.exit()
  elif n%3==2:
    if l.count(0)==(n+1)//3:print("Yes");sys.exit()
    else:print("No");sys.exit()
  elif n%3==0:
    if l.count(0)==n//3:print("Yes");sys.exit()
    else:print("No");sys.exit()
a=l.count(s[0]);b=l.count(s[1]);c=l.count(s[2])
if a!=b or b!=c or c!=a:print("No");sys.exit()
flag=0
for i in itertools.permutations(s):
  if i[0]^i[2]==i[1] and i[1]^i[2]==i[0] and i[0]^i[1]==i[2]:flag+=1
if flag!=0:print("Yes")
else:print("No")

Buggy python submission (verdict: Runtime Error):
import sys
import itertools
n=int(input())
l=list(map(int,input().split()))
l.sort()
s=set(l)
if len(s)>=4 :print("No");sys.exit()
if len(s)==1:print("Yes" if 0 in s else "No")
s=list(s)
if len(s)==2:
  if 0 not in s:print("No");sys.exit()
  if n%3==1:
    if l.count(0)==(n-1)//3:print("Yes");sys.exit()
    else:print("No");sys.exit()
  elif n%3==2:
    if l.count(0)==(n+1)//3:print("Yes");sys.exit()
    else:print("No");sys.exit()
  elif n%3==0:
    if l.count(0)==n//3:print("Yes");sys.exit()
    else:print("No");sys.exit()
flag=0
for i in itertools.permutations(s):
  if i[0]^i[2]==i[1] and i[1]^i[2]==i[0] and i[0]^i[1]==i[2]:flag+=1
if flag==6:print("Yes")
else:print("No")


Fixed submission:
import sys
import itertools
n=int(input())
l=list(map(int,input().split()))
l.sort()
s=set(l)
if len(s)>=4 :print("No");sys.exit()
if len(s)==1:print("Yes" if 0 in s else "No");sys.exit()
s=list(s);s.sort()
if len(s)==2:
  if 0 not in s:print("No");sys.exit()
  if n%3==1:
    if l.count(0)==(n-1)//3:print("Yes");sys.exit()
    else:print("No");sys.exit()
  elif n%3==2:
    if l.count(0)==(n+1)//3:print("Yes");sys.exit()
    else:print("No");sys.exit()
  elif n%3==0:
    if l.count(0)==n//3:print("Yes");sys.exit()
    else:print("No");sys.exit()
a=l.count(s[0]);b=l.count(s[1]);c=l.count(s[2])
if a!=b or b!=c or c!=a:print("No");sys.exit()
flag=0
for i in itertools.permutations(s):
  if i[0]^i[2]==i[1] and i[1]^i[2]==i[0] and i[0]^i[1]==i[2]:flag+=1
if flag!=0:print("Yes")
else:print("No")

Buggy python submission (verdict: Runtime Error):
import sys
import itertools
n=int(input())
l=list(map(int,input().split()))
l.sort()
s=set(l)
if len(s)>=4:print("No");sys.exit()
s=list(s)
flag=0
for i in itertools.permutations(s):
  if i[0]^i[2]==i[1] and i[1]^i[2]==i[0] and i[0]^i[1]==i[2]:flag+=1
if flag==6:print("Yes")
else:print("No")


Fixed submission:
import sys
import itertools
n=int(input())
l=list(map(int,input().split()))
l.sort()
s=set(l)
if len(s)>=4 :print("No");sys.exit()
if len(s)==1:print("Yes" if 0 in s else "No");sys.exit()
s=list(s);s.sort()
if len(s)==2:
  if 0 not in s:print("No");sys.exit()
  if n%3==1:
    if l.count(0)==(n-1)//3:print("Yes");sys.exit()
    else:print("No");sys.exit()
  elif n%3==2:
    if l.count(0)==(n+1)//3:print("Yes");sys.exit()
    else:print("No");sys.exit()
  elif n%3==0:
    if l.count(0)==n//3:print("Yes");sys.exit()
    else:print("No");sys.exit()
a=l.count(s[0]);b=l.count(s[1]);c=l.count(s[2])
if a!=b or b!=c or c!=a:print("No");sys.exit()
flag=0
for i in itertools.permutations(s):
  if i[0]^i[2]==i[1] and i[1]^i[2]==i[0] and i[0]^i[1]==i[2]:flag+=1
if flag!=0:print("Yes")
else:print("No")