#!/bin/python3

import sys


n = int(input().strip())
types = list(map(int, input().strip().split(' ')))
# your code goes here
id1 = 0
id2 = 0
id3 = 0
id4 = 0
id5 = 0

for bird in types:
    if bird == 1:
        id1+=1
    elif bird == 2:
        id2+=1
    elif bird ==3:
        id3+=1
    elif bird==4:
        id4+=1
    elif bird==5:
        id5+=1

common_bird = max(id1,id2,id3,id4,id5)
id_dict = {"1":id1,"2":id2,"3":id3,"4":id4,"5":id5}
common_list = [id for id in id_dict if id_dict[id]==common_bird]
print(min(common_list))