Buggy python submission (verdict: Runtime Error):
import sys

N=int(input())
A=list(map(int,input().split()))
dict={}

for a in A:
  if a in dict.keys():
    dict[a] = dict[a] + 1
  else:
    dict[a] = 1

if len(list(dict.keys())) > 3:
  print('No')
  sys.exit()

keys=list(dict.keys())
vals=set(dict.values())

if len(vals)> 1:
  print('No')
  sys.exit()
  
a0=keys[0]
a1=keys[1]
a2=''
b0=bin(a0)[2:]
b1=bin(a1)[2:]
if len(b0)<len(b1):
  b0,b1=b1,b0
b1=b1.zfill(len(b0))
for s0,s1 in zip(b0,b1):
  a2 = a2 + str( int(s0)^int(s1) )
a2=int(a2,2)

if a2!=keys[2]:
  print('No')
  sys.exit()

print('Yes')

Fixed submission:
import sys

N=int(input())
A=list(map(int,input().split()))
dict={}

for a in A:
  if a in dict.keys():
    dict[a] = dict[a] + 1
  else:
    dict[a] = 1

if len(list(dict.keys())) > 3:
  print('No')
  sys.exit()
elif len(list(dict.keys()))==1:
  keys=list(dict.keys())
  if keys[0]==0:
    print('Yes')
    sys.exit()
  else:
    print('No')
    sys.exit()
elif len(list(dict.keys()))==2:
  keys=list(dict.keys())
  a0=keys[0]
  a1=keys[1]
  a2=''
  b0=bin(a0)[2:]
  b1=bin(a1)[2:]
  if len(b0)<len(b1):
    b0,b1=b1,b0
  b1=b1.zfill(len(b0))
  for s0,s1 in zip(b0,b1):
    a2 = a2 + str( int(s0)^int(s1) )
  a2=int(a2,2)
  #print(a0,a1,a2)
  if a2==a0 or a2==a1:
    vals=list(dict.values())
    if vals[0]/2==vals[1] or vals[0]==vals[1]/2:
      print('Yes')
      sys.exit()
    else:
      print('No')
      sys.exit()
  
keys=list(dict.keys())
vals=set(dict.values())

if len(vals)> 1:
  print('No')
  sys.exit()
  
a0=keys[0]
a1=keys[1]
a2=''
b0=bin(a0)[2:]
b1=bin(a1)[2:]
if len(b0)<len(b1):
  b0,b1=b1,b0
b1=b1.zfill(len(b0))
for s0,s1 in zip(b0,b1):
  a2 = a2 + str( int(s0)^int(s1) )
a2=int(a2,2)

if a2!=keys[2]:
  print('No')
  sys.exit()

print('Yes')

Buggy python submission (verdict: Runtime Error):
import sys

def checker(a0,a1,tmp):
  a2=''
  b0=bin(a0)[2:]
  b1=bin(a1)[2:]
  if len(b0)<len(b1):
    b0,b1=b1,b0
  b1=b1.zfill(len(b0))
  for s0,s1 in zip(b0,b1):
    a2 = a2 + str( int(s0)^int(s1) )
  a2=int(a2,2)
  #print(a0,a1,a2)
  if a2 not in tmp:
    return 1
  else:
    tmp.remove(a2)
    if  len(tmp)==0:
      return 0
    checker(a1,a2,tmp)

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

bia=1
for i in range(N-1):
  tmp=A.copy()
  tmp.remove(A[i])
  for j in range(N-bia):
    tmp.remove(A[j+bia])
    if checker(A[i],A[j+bia],tmp) == 1:
      break
    else:
      print('Yes')
      sys.exit()
  bia+=1
print('No')

Fixed submission:
import sys

N=int(input())
A=list(map(int,input().split()))
dict={}

for a in A:
  if a in dict.keys():
    dict[a] = dict[a] + 1
  else:
    dict[a] = 1

if len(list(dict.keys())) > 3:
  print('No')
  sys.exit()
elif len(list(dict.keys()))==1:
  keys=list(dict.keys())
  if keys[0]==0:
    print('Yes')
    sys.exit()
  else:
    print('No')
    sys.exit()
elif len(list(dict.keys()))==2:
  keys=list(dict.keys())
  a0=keys[0]
  a1=keys[1]
  a2=''
  b0=bin(a0)[2:]
  b1=bin(a1)[2:]
  if len(b0)<len(b1):
    b0,b1=b1,b0
  b1=b1.zfill(len(b0))
  for s0,s1 in zip(b0,b1):
    a2 = a2 + str( int(s0)^int(s1) )
  a2=int(a2,2)
  #print(a0,a1,a2)
  if a2==a0 or a2==a1:
    vals=list(dict.values())
    if vals[0]/2==vals[1] or vals[0]==vals[1]/2:
      print('Yes')
      sys.exit()
    else:
      print('No')
      sys.exit()
  
keys=list(dict.keys())
vals=set(dict.values())

if len(vals)> 1:
  print('No')
  sys.exit()
  
a0=keys[0]
a1=keys[1]
a2=''
b0=bin(a0)[2:]
b1=bin(a1)[2:]
if len(b0)<len(b1):
  b0,b1=b1,b0
b1=b1.zfill(len(b0))
for s0,s1 in zip(b0,b1):
  a2 = a2 + str( int(s0)^int(s1) )
a2=int(a2,2)

if a2!=keys[2]:
  print('No')
  sys.exit()

print('Yes')