#include <bits/stdc++.h> #define all(x) (x).begin(),(x).end() using namespace std; using ll = long long; using ld = long double; //#define int ll #define sz(x) ((int)(x).size()) using pii = pair<int,int>; using tii = tuple<int,int,int>; vector<int> S; signed main() { cin.tie(0) -> sync_with_stdio(0); int n, m, q; cin >> n >> m >> q; S.resize(n); for(auto &x : S) cin >> x; cout << accumulate(all(S), 0LL) - max(S[0], S.back()) << '\n'; }