#!/bin/python3

import sys


n = int(input().strip())
types = list(map(int, input().strip().split(' ')))
# your code goes here

dict = {1:0, 2:0, 3:0, 4:0, 5:0}

for i in range(n):
    dict[types[i]] += 1

m = max(dict.values())

list = []

for i in range(1, 6):
    if dict[i] == m:
        list.append(i)
    
print(min(list))