#include 
#include 
#include 
#include 
#include 
using namespace std;
typedef long long ll;
const int maxn = 2e5 + 10;
const ll MOD = 1e9 + 7;

int main() {
    ios_base::sync_with_stdio(false);
    int n;
    cin >> n;
    
    vector v(n);
    for(int i = 0; i < n; i++) {
        cin >> v[i];
    }
    sort(v.begin(), v.end());
    ll sum = 0;
    for(int i = 0; i < n - 1; i++) {
        sum += v[i];
    }
    if(v[n - 1] > sum) {
        cout << v[n - 1] * 2 << endl;
    }
    else {
        cout << sum + v[n - 1] << endl;
    }
    return 0;
}