from random import sample,randint,random
from time import time
from math import exp
import sys
#-------------------------------------------------
TIME_LIMIT=1.050
ALPHA=0.03
ep=10**(-10)
#-------------------------------------------------
def Probability(Delta,Time):
    if Delta>0:
        return 1
    else:
        return exp(Delta/(ALPHA*Time+ep))

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

if N==M:
    print(" ".join(map(str,A)))
    sys.exit()
    
P=set(sample(range(N),M))
X=[]
Y=[]
R=0
for i in range(N):
    if i in P:
        X.append(A[i])
        R^=A[i]
    else:
        Y.append(A[i])

t=time()-T
while t<TIME_LIMIT:
    x=randint(0,M-1)
    y=randint(0,N-M-1)
    S=R^X[x]^Y[y]

    if random()<=Probability(S-R,t):
        R=S
        X[x],Y[y]=Y[y],X[x]

    t=time()-T

print(" ".join(map(str,X)))