#!/bin/python3

import math
import os
import random
import re
import sys
from collections import Counter
from operator import itemgetter
#
# Complete the 'xorSubsequence' function below.
#
# The function is expected to return an INTEGER_ARRAY.
# The function accepts LONG_INTEGER_ARRAY a as parameter.
#

def xor_sub(arr, n):
    
    result = []
    for i in range(n):
        result.append(arr[i])
    for j in range(2, n+1):
        for i in range(len(arr) - j + 1):
            a = arr[i]
            for k in range(1,j):
                a ^= arr[i+k]
            result.append(a)
    return result
            
    

def maxOccur(A):
    count = Counter(A)
    sorted_count = sorted(count.items(), key=lambda x: (-x[1],x[0]))
    return sorted_count[0]


def xorSubsequence(a):
    # Write your code here
    l = []
    l = xor_sub(a,len(a))
    print(l)
    # check the frequency
    # a = Counter(l)
    # a_sorted = sorted(a.items(),key=itemgetter(1), reverse=True)
    # a_sorted = sorted(a_sorted)
    ti = maxOccur(l)
    retL = []
    retL.append(ti[0])
    retL.append(ti[1])
    return retL

if __name__ == '__main__':
    fptr = open(os.environ['OUTPUT_PATH'], 'w')

    a_count = int(input().strip())

    a = []

    for _ in range(a_count):
        a_item = int(input().strip())
        a.append(a_item)

    result = xorSubsequence(a)

    fptr.write(' '.join(map(str, result)))
    fptr.write('\n')

    fptr.close()