#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;

int type[5];

void update (int t) {
    switch (t) {
        case 1 : type[0] += 1;
        break;
        case 2 : type[1] += 1;
        break;
        case 3 : type[2] += 1;
        break;
        case 4 : type[3] += 1;
        break;
        case 5 : type[4] += 1;
        break;
    }
}

void printCommon () {
    int common;
    
    common = type[0] < type[1] ? 1 : 0;
    common = type[common] < type[2] ? 2 : common;
    common = type[common] < type[3] ? 3 : common;
    common = type[common] < type[4] ? 4 : common;
    
    cout << common+1 << endl;
}

int main() {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */   
    int num;
    
    cin >> num;
    cin.clear ();
    
    for (int i = 0; i < num; i++) {
        int type;
        cin >> type;
        update(type);
    }
    
    printCommon();
    
    return 0;
}