#include <iostream>
#include <vector>
#include <string>
#include <iomanip>
#include <queue>
#include <cmath>
#include <algorithm>
#include <tuple>
#include <iomanip>
#include <stdio.h>
#include <numeric>
#include <map>

#define ll long long
#define i(n) for (int i = 0; i < n; i++)
#define j(n) for (int j = 0; j < n; j++)
#define vi vector<int>
#define vvi vector<vector<int>>
#define all(a) a.begin(), a.end()
#define pii pair<int, int>
#define pb push_back

using namespace std;

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n;
    cin >> n;
    vi a(n);
    i(n) cin >> a[i];
    bool f = true;
    while (a.size() != 1) {
        vi b;
        i(a.size() - 1) {
            if (f) {
                b.pb(max(a[i], a[i + 1]));
            } else {
                b.pb(min(a[i], a[i + 1]));
            }
        }
        a = b;
        f = !f;
//        i(a.size()) cout << a[i] << " ";
//        cout << "\n";
    }
    cout << a[0];
}