#!/bin/python

# Missing number between 2 arrays - 100 pass

import sys

def missingNumbers(arr, brr):

# Brute force with brr length which is greater

freq = {}

for i in range(len(brr)):

if brr[i] not in freq:

freq[brr[i]] = 1

else:

freq[brr[i]] += 1

if i < len(arr):

if arr[i] not in freq:

freq[arr[i]] = -1

else:

freq[arr[i]] -= 1

result = []

for key, value in freq.items():

if value > 0:

result.append(key)

return result

if __name__ == "__main__":

n = int(raw_input().strip())

arr = map(int, raw_input().strip().split(' '))

m = int(raw_input().strip())

brr = map(int, raw_input().strip().split(' '))

result = missingNumbers(arr, brr)

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