#!/bin/python

import sys
import operator


n = int(raw_input().strip())
types = map(int, raw_input().strip().split(' '))
# your code goes here
dict ={1:0,2:0,3:0,4:0,5:0}
for x in types:
    dict[x] = dict[x]+1
max_type = max(dict.iteritems(), key=operator.itemgetter(1))[0]
for i in xrange(4):
    if dict[i+1]==dict[max_type] and (i+1)<max_type:
        max_type=i+1
print max_type