#include <bits/stdc++.h>
using namespace std;

int main() {
	int N;
	cin >> N;

	vector<vector<int>> v(6, vector<int>(2));
	for (int i = 0; i < N; i++) {
		int n;
		cin >> n;

		v.at(n - 1).at(1) = n;
		v.at(n - 1).at(0)++;
	}

	sort(v.begin(), v.end());
	cout << v.at(5).at(1) << endl;
}