#include<bits/stdc++.h> using namespace std; long long n; vector<long long> a; int main() { cin >> n; long long sum = 0; for(long long i = 0;i < n;i++) { long long tmp; cin >> tmp; sum+= tmp; a.push_back(tmp); } long long x,y; cin >> x >> y; x--; y--; long long sh = 0; long long ni = 0; for(int i = x;i < y;i++) { sh += a[i]; } ni = sum - sh; cout << min(sh,ni) << endl; return 0; }