#!/bin/python3

import sys


n = int(input().strip())
types = list(map(int, input().strip().split(' ')))
# your code goes here

c1 = types.count(1)
c2 = types.count(2)
c3 = types.count(3)
c4 = types.count(4)
c5 = types.count(5)
counts = [c1,c2,c3,c4,c5]
print(counts.index(max(counts))+1)