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

int main () {
    int arr[] = {7, 2, 8, 5, 8, 2, 1, 3, 5};
    int n = 9;
    
    int greatest = -100;
    int secondgreatest = -100;

    for (int i=0; i < n; i++) {
        if (arr[i] > greatest){
            secondgreatest = greatest;
            greatest = arr[i];
        }

        else if (arr[i] > secondgreatest && arr[i] != greatest) {
            secondgreatest = arr[i];
        } 
    }
    cout<<secondgreatest;
    return 0;
}