import sys
from time import clock
f=open('in13_9.txt','r+')
f1=open('out_29_13_9.txt','w')
n=f.readline()
temp1=f.readline().split(",")
temp2=f.readline().split(",")
len1=int(n)
len2=int(n)
c=[]
d=[]
compare=0
start=clock()
for i in range (0,len1):
    c.append(temp1[i])
for i in range (len1,len1+len2):
    c.append(temp2[i-len1])

d.append(c[0])
f1.write(c[0]+' ')
for i in range (1,len1+len2):
    count=0
    for j in d:
        if int(c[i])==int(j):
            count=count+1
            compare=compare+1
            break
    if count==0:
        d.append(c[i])
        f1.write(c[i]+" ")
ela=clock()-start
memory=sys.getsizeof(len1)+sys.getsizeof(len2)+sys.getsizeof(temp1)+sys.getsizeof(temp2)
f1.write('\nno of comparisons : '+str(compare)+'\nmemory used : '+str(memory)+'\ntime taken : '+str(ela))