#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <cmath>
#include <map>
#include <queue>
#include <iomanip>
#include <set>
#include <tuple>
#define mkp make_pair
#define mkt make_tuple
#define rep(i,n) for(int i = 0; i < (n); ++i)
#define all(v) v.begin(),v.end()
using namespace std;
typedef long long ll;
const ll MOD=1e9+7;
template<class T> void chmin(T &a,const T &b){if(a>b) a=b;}
template<class T> void chmax(T &a,const T &b){if(a<b) a=b;}

int main(){
  cin.tie(0);
  ios::sync_with_stdio(false);

  int N,S,T;
  cin>>N>>S>>T;
  vector<ll> A(N);
  rep(i,N) cin>>A[i];

  S--;T--;

  auto getD = [&](int a,int b){
    int res=abs(a-b);
    chmin(res,abs(a+N-b));
    chmin(res,abs(b+N-a));
    return res;
  };

  vector<ll> B;
  for(int i=S;;i=(i-1+N)%N){
    if(getD(i,S)<=getD(i,T)) B.push_back(A[i]);
    else break;
  }
  reverse(all(B));
  for(int i=S;;i=(i+1)%N){
    if(getD(i,S)<=getD(i,T)) B.push_back(A[i]);
    else break;
  }
  int V=B.size();
  vector<ll> sum(V+1,0);
  rep(i,V) sum[i+1]=sum[i]+B[i];

  ll all=0;
  rep(i,N) all+=A[i];
  int rad=(N+1)/2;
  ll ans=0;
  for(int i=rad;i<=V;i++) chmax(ans,sum[i]-sum[i-rad]);
  ans-=(all-ans);
  cout<<ans<<endl;

  return 0;
}