#!/bin/python

import sys


n = int(raw_input().strip())
types = map(int, raw_input().strip().split(' '))
# your code goes here
l = [0, 0, 0, 0, 0]
for i in types:
    l[i-1] += 1
print min([i for i,j in enumerate(l) if j == max(l)]) + 1