#!/bin/python

import sys


n = int(raw_input().strip())
types = map(int, raw_input().strip().split(' '))
# your code goes here
dict_bird = {x: 0 for x in range(1, 6)}

for bird in types:
    dict_bird[bird] += 1

max_value = sorted(dict_bird.values())[-1]

only_max = filter(lambda x: dict_bird[x] == max_value, dict_bird.keys())

print min(only_max)