from collections import *
dic={'1':0,'2':0,'3':0,'4':0,'5':0}
n=int(input())
arr=map(int,raw_input().split())
for i in range(0,len(arr)):
	if int(arr[i])==1:
		dic['1']+=1
	elif int(arr[i])==2:
		dic['2']+=1
	elif int(arr[i])==3:
		dic['3']+=1
	elif int(arr[i])==4:
		dic['4']+=1
	elif int(arr[i])==5:
		dic['5']+=1
m=max(dic.values())
a=[]
for key,value in dic.items():
	if dic[key]==m:
		a.append(key)
print min(a)