// #pragma GCC optimize ("Ofast")
// #pragma GCC optimize ("unroll-loops")
// #pragma GCC target ("avx,avx2,fma")
#include <bits/stdc++.h>

using std::cin, std::cout, std::cerr;
using ll = long long;

int main() {
    std::ios::sync_with_stdio(false);
    int n, s, t; cin >> n >> s >> t;
    auto dis = [&](int x, int s) {
        return std::min(std::abs(x - s), n - std::abs(x - s));
    };
    ll x = 0, y = 0;
    std::vector<ll> same;
    for(int i = 1; i <= n; i ++) {
        int a; cin >> a;
        if(dis(i, s) < dis(i, t)) x += a;
        else if(dis(i, s) > dis(i, t)) y += a;
        else same.push_back(a);
    }
    std::ranges::sort(same, std::greater<ll>());
    if(same.size() >= 1)
        x += same[0];
    if(same.size() >= 2)
        y += same[1];
    cout << x - y << '\n';
}