// compile: g++ -o data data.cpp -std=gnu++20 -DLOCAL
// run: ./data < data.in
#include <bits/stdc++.h>
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#ifdef LOCAL
#endif
#define sz(v) ((int)(v).size())
#define PV(v) for (int i=0;i<v.size();++i)cout<<v[i]<<" ";cout<<endl;
#define INTINF 9223372036854775807
#define int long long

using namespace std;

int n, sum;
vector<int> f, a;
int minv = INTINF;

void check() {
    int s = 0;
    for (int i = 0; i < n; ++i) if (a[i]) s += f[i];
    minv = min(minv, abs(sum - s - s));
}

void dfs(int k) {
    if (k >= n) {
        check();
        return;
    }
    for (int i = 0; i < 2; ++i) {
        a[k] = i;
        dfs(k + 1);
    }
}

int32_t main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);

    sum = 0;
    cin >> n;
    for (int i = 0; i < n; ++i) {
        int x; cin >> x;
        sum += x;
        f.push_back(x);
    }
    a.resize(n);
    dfs(0);
    cout << minv << endl;

    return 0;
}