reg C

#include <iostream>
#include <cmath>
#include <vector>
#include <queue>
#include <algorithm>
#include <string>
#include <stack>
#include <set>
#include <map>
#define pii pair <int, int>
#define pb(x) push_back(x)
#include <ctime>
using namespace std;
using ll = long long;
using ld = long double;
using db = double;
void cv(vector <int> &v) {
    for (auto x : v) cout << x << ' ';
    cout << "\n";
}

void cvl(vector <ll> &v) {
    for (auto x : v) cout << x << ' ';
    cout << "\n";
}


void cvv(vector <vector <int> > &v) {
    for (auto x : v) cv(x);
    cout << "\n";
}

void cvb(vector <bool> v) {
    for (bool x : v) cout << x << ' ';
    cout << "\n";
}

void cvs(vector <string>  v) {
    for (auto a : v) {
        cout << a << "\n";
    }
}

void cvp(vector <pii> a) {
    for (auto p : a) {
        cout << p.first << ' ' << p.second << "\n";
    }
    cout << "\n";
}


vector <ll> a, pf;
int n, ls = -1, k; // last < 0
ll x, dS = 0;

vector <ll> dulla;

bool random = 1;

bool sh = 0;

ll dull() {
    ll r = 0;
    for (int i = 0; i < n; ++i) {
        dulla[i] += x;
        r += abs(dulla[i]);
    }
    return r;
}

ll fmr0() {
    ll one = 0, two = 0, three = 0;
    //ONE
    int oneid = -1;
    ll del = 0;
    if (ls != -1) {
        if (ls == 0) {
            if (a[0] + dS < 0) {
                /*if (sh) {
                    cout << "A\n";
                }*/
                one = abs(a[0]) - dS;
                oneid = 0;
            }
        } else {
            int L = 0, R = ls + 1, M;
            while (L + 1 < R) {
                M = (L + R) / 2;
                if (a[M] + dS < 0) {
                    L = M;
                } else {
                    R = M;
                }
            }
            one = abs(pf[L]) - dS;
            oneid = L;
            if (a[0] + dS >= 0) {
                one = 0;
                oneid = -1;
            }
        }
    }
    if (sh) {
        cout << "oneid = " << oneid << "\n";
        cout << "one = " << one << "\n";
    }
    //TWO
    if (ls != -1) {
        ll del = 0;
        if (oneid != -1) {
            del = pf[oneid];
        }
        ll pf2 = abs(pf[ls] - del);
        two = dS * (ls - oneid) - pf2;
    }
    if (sh) {
        cout << "two = " << two << "\n";
    }
    //THREE
    if (ls != n - 1) {
        del = 0;
        if (ls >= 0) {
            del = pf[ls];
        }
        ll pf3 = pf[n - 1] - del;
        three = pf3 + dS * (n - 1 - ls);
    }
    if (sh) {
        cout << "three = " << three << "\n";
    }
    if (sh) {
        cout << "one two three  = " << one << ' ' << two << ' ' << three << "\n";
    }
    ll res = one + two + three;
    return res;
}

ll fls0() {

}

void slv() {
    if (!random) {
        cin >> n >> k;
        a.resize(n);
        for (ll &i : a) cin >> i;
    } else {
        n = rand() % 10 + 3;
        k = rand() % 10 + 20;
        a.resize(n);
        for (int i = 0; i < n; ++i) {
            a[i] = rand() % 100 - 30;
        }
    }
    sort(a.begin(), a.end());
    dulla = a;
    pf.assign(n, a[0]);
    for (int i = 1; i < n; ++i) {
        pf[i] = pf[i - 1] + a[i];
    }
    int i = -1;
    while (i + 1 < n && a[i + 1] < 0) {
        i++;
    }
    ls = i;
    if (sh) {
        cout << "GO\n";
        cout << "a\n";
        cvl(a);
        cout << "dulla\n";
        cvl(dulla);
        cout << "pf\n";
        cvl(pf);
        cout << "ls = " << ls << "\n";
    }

    for (int go = 0; go < k; ++go) {
        if (!random) {
            cin >> x;
        } else {
            x = rand() % 10 + abs( pow(-1, rand() % 2) * 20 );
        }
        dS += x;
        ll my;
        if (dS >= 0) {
            my = fmr0();
        } else {
            my = fls0();
        }
        ll stup = dull();
        if (stup != my) {
            cout << "WA\n";
            cout << "a\n";
            cvl(a);
            cout << "pf.size() = " << pf.size() << "\n";
            cout << "pf\n";
            cvl(pf);
            cout << "dS = " << dS << "\n";
            cout << "my stup = " << my << ' ' << stup << "\n";
            exit(0);
        } else {
            cout << "OK\n";
        }
    }
    cout << "OK " << k << " tests \n";;
}
/*
4 1
-24 32 50 54
21

WA
a
-24 32 50 54
pf.size() = 4
pf
-24 8 58 112
dS = 21
my stup = 196 202
*/

int main() {
    /*ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);*/
    srand(time(0));
    while (1) {
        slv();
    }
}