#!/bin/python3

import sys


n = int(input().strip())
types = list(map(int, input().strip().split(' ')))

result = 5
for i in range(1, 5):
    if types.count(i) > types.count(result):
        result = i
    elif types.count(i) == types.count(result):
        result = min(i, result)

print(result)