#include 
#include 
#include 
using namespace std;


int main() {
    int n;
    cin >> n;
    
    vector v;
    for(int i = 0; i < n; i++) {
        int x;
        cin >> x;
        v.push_back(x);
    }
    
    sort(v.begin(), v.end());
    int x;
    cin >> x;
    
    int idx = lower_bound(v.begin(), v.end(), x) - v.begin();
    if(idx >= 0 and idx < v.size()) {
        cout << v[idx] << endl;
    }
    else {
        cout <<"VAKOV ELEMENT NE POSTOI" << endl;
    }
    
    return 0;
}