#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
using namespace std;
signed main() { 
  ios::sync_with_stdio(false); cin.tie(0);
  int n;
  cin >> n;
  vector<int> a(n);
  int sum = 0;
  for (int i = 0; i < n; i++) {
    cin >> a[i];
    sum += a[i];
  }
  auto is_cool = [&] (int x) {
    for (int i = 0, j = 0; i < n && j < n; i = j) {
      int cur = 0;
      for (;j < n && cur < x; j++) {
        cur += a[j];
      }
      if (cur != x) return false;
    }
    return true;
  };
  int ans = 0;
  for (int x = 1; x * x <= sum; x++) {
    if (sum % x > 0) continue;
    if (is_cool(x)) ans = max(ans, sum / x);
    if (is_cool(sum / x)) ans = max(ans, x);
  }
  cout << ans << '\n';
  return 0;
}