#include<iostream>
#include<iomanip>
#include<cmath>
#include<string>
#include<cstring>
#include<vector>
#include<list>
#include<algorithm>
#include<map>
#include<set>
#include<queue>
#include<stack>
using namespace std;
typedef long long ll;
#define fi first
#define se second
#define mp make_pair
#define rep(i, n) for(int i=0;i<n;++i)
#define rrep(i, n) for(int i=n;i>=0;--i)
const int inf=1e9+7;
const ll mod=1e9+7;
const ll mod1=998244353;
const ll big=1e18;
const double PI=2*asin(1);

int main() {
  int N;
  cin>>N;
  int S, T;
  cin>>S>>T;
  S--;
  T--;
  int A[N];
  for(int i=0;i<N;++i) cin>>A[i];
  int rx[N], ry[N];
  for(int i=0;i<N;++i) {
    rx[i] = min(abs(S-i), N-abs(S-i));
    ry[i] = min(abs(T-i), N-abs(T-i));
  }
  ll ansx = 0, ansy = 0;
  vector<ll> arr;
  for(int i=0;i<N;++i) {
    if(rx[i]>ry[i]) ansy += A[i];
    else if(rx[i]<ry[i]) ansx += A[i];
    else arr.push_back(A[i]);
  }
  if(arr.size()==1) ansx += arr[0];
  else if(arr.size()>1){
    sort(arr.begin(), arr.end());
    ansy += arr[0];
    ansx += arr[1];
  }
  cout<<ansx-ansy<<endl;
}