#include <algorithm>
#include <deque>
#include <functional>
#include <iomanip>
#include <iostream>
#include <map>
#include <math.h>
#include <numeric>
#include <queue>
#include <set>
#include <stack>
#include <utility>
#include <vector>


using namespace std;


using ll = long long;
using ld = long double;


#define all(v) v.begin(), v.end()
#define rep(i, n) for (ll i = 0; i < n; ++i)
#define rep2(i, n, m) for (ll i = n; i <= m; ++i)
#define rep3(i, n, m) for (ll i = n; i >= m; --i)


template<class T> using pqg = priority_queue<T, vector<T>, greater<T>>;
template<class T> using pq  = priority_queue<T>;


template<class S, class T> inline bool chmax(S &a, T b) { if (a < b) { a = b; return true; } return false; }
template<class S, class T> inline bool chmin(S &a, T b) { if (a > b) { a = b; return true; } return false; }


int main() {
  int n, s, t;
  cin >> n >> s >> t;

  --s, --t;

  vector<ll> a(n);
  rep(i, n) cin >> a[i];

  auto dis = [&](int x, int y) {
    return min((x - y + n) % n, (y - x + n) % n);
  };

  ll p1 = 0, tot = accumulate(all(a), 0LL);
  vector<int> even;

  rep(i, n) {
    int ds = dis(s, i), dt = dis(t, i);
    if (ds <= dt) {
      p1 += a[i];
      if (ds == dt) even.push_back(a[i]);
    }
  }

  if (even.size() == 2) p1 -= min(even[0], even[1]);
  cout << 2 * p1 - tot << endl;
  return 0;
}