#include<iostream> using namespace std; unsigned long long n; unsigned long long a[1000005]; int main() { cin >> n; unsigned long long sum = 0; if(n == 1) { unsigned long long tmp = 0; cin >> tmp; cout << tmp << endl; return 0; } for(unsigned long long i = 1;i <= n;i++) { cin >> a[i]; sum += a[i]; } unsigned long long x,y; cin >> x >> y; unsigned long long sh = 0; unsigned long long ni = 0; for(unsigned long long i = x;i < y;i++) { sh += a[i]; } ni = sum - sh; cout << min(sh,ni) << endl; return 114514; }