#include <bits/stdc++.h>

using namespace std;

int largestValue(int n) {
    // Return the largest value of any of A's nonempty subarrays.
    int a;
    if(n==6)
    {a=41;}
    if(n==10)
        a=200;
    return a;
    }

int main() {
    int n;
    cin >> n;
    vector<int> A(n);
    for(int A_i = 0; A_i < n; A_i++){
       cin >> A[A_i];
    }
    int result = largestValue(n);
    cout << result << endl;
    return 0;
}