#!/bin/python3

import sys


n = int(input().strip())
types = list(input().strip().split(' '))
# your code goes here
occ = [types.count("1")]
occ += [types.count("2")] 
occ += [types.count("3")] 
occ += [types.count("4")] 
occ += [types.count("5")]
print (occ.index(max(occ))+1)