#include <iostream>
#include <array>
#include <vector>
#include <stack>

using namespace std;

int main() {

    int n;
    int n1, n2;
    vector <int> Cf;
    stack <int> Cfo;
    

    cin >> n;


    for (int i = 0; i < n ; i++){
        cin >> n1;
        Cf.push_back(n1);
        n1 = 0;
    }
    

    int ord[n];

    if (Cf.back() > Cf.front)

    cout << ord[1];
}