#include #include #include #include #include #include #include #include #include #include #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 void chmin(T &a,const T &b){if(a>b) a=b;} template void chmax(T &a,const T &b){if(a>N; vector A(N); rep(i,N) cin>>A[i]; sort(all(A)); ll ans=-INF; rep(s,2) rep(t,2){ multiset se; rep(i,N) se.insert(A[i]); ll sumA=0,sumB=0; for(int k=0;k