#!/bin/python

import sys


n = int(raw_input().strip())
types = map(int, raw_input().strip().split(' '))
var1 = 0
var2 = 0
var3 = 0
var4 = 0
var5 = 0
for i in types: 
    if i == 1: 
        var1 = var1 + 1
    elif i == 2: 
        var2 = var2 + 1
    elif i == 3: 
        var3 = var3 + 1
    elif i == 4: 
        var4 = var4 + 1
    else: 
        var5 = var5 + 1
var = [var1,var2,var3,var4,var5]
print var.index(max(var)) +1