#include <iostream>
#include <fstream>
#include <algorithm>

using namespace std;

/*Io, Flavius Remusian Rozalian, daclar pa propia raspundere*/
/* Daca cere si Ionela, schimba Textul de mai sus (doar numele) */

ifstream fin("Numere.txt");
ofstream fout("Date.out");

int minim(int &a, int &b, int k)
{
    int m, p;
    if (k > 0)
    {
        fin >> p;
        m = minim(a, b, k-1);
        if (p < m && p >= a)
        {
            m = p;
        }
    }
    if (k == 0)
    {
        fin >> a >> b;
        m = b;
    }
    return m;
}

int n, mini, a, b;

int main()
{
    fin >> n;
    mini = minim(a, b, n);
    cout << mini; /*Nu mai am chef sa il fac pe tot*/
    return 0;
}