#!/bin/python3

from collections import Counter

MIN_EXPECTED = 5
MAX_EXPECTED = 2 * 10**5
INPUT_RANGE = range(1,6)

def sanity_check(expected:int, recieved:list) -> bool:
    """
    Checks the inputs againts the expected inputs and contraints.
    
    :param expected: The number of expected arguments. 
    :param recieved: An array of the recieved arguments
    :return: True if valid, raises Exception if not.

    """
    allowed_types = list(map(str, INPUT_RANGE))
    # Gets an array of any recieved values that aren't in the allowed types
    blacklist = set(recieved) - set(allowed_types)
    
    if expected != len(recieved):
        raise ValueError ('The number of arguments does not match expected amount.')
    elif expected < MIN_EXPECTED:
        raise ValueError ("There are not enough birds to sort. The minimum input is 5")
    elif expected > MAX_EXPECTED:
        raise ValueError ('That is far too many birds. Max input is 2 x 10^5')
    elif blacklist:
        raise ValueError (
            'The folowing arguments are invalid: {} (allowed are: {})'.format(
                ", ".join(blacklist),
                allowed_types
            )
        )
    return True

n = int(input().strip())
types = input().strip().split(' ')
if sanity_check(n, types):
    
    # Counter docs here: https://docs.python.org/dev/library/collections.html#collections.Counter
    counted_types = Counter(types).most_common()
    # List comprehension for all the id's that match the most common and then minning it.
    print(min([ct[0] for ct in counted_types if ct[1] == counted_types[0][1]]))