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#include <iostream>

int main() {
    unsigned int n, m;
    std::cin >> n >> m;

    long long ts[n + 1];
    for (int i = 0; i < n; i++) std::cin >> ts[i];

    int ds[n + 1];
    for (int i = 0; i < m; i++) std::cin >> ds[i];

    for (int i = 0; i < m; i++) {
        long long cost = 0;
        long long time = 0;
        for (int j = 0; j < n; j++) {
            long long debt = std::max(0LL, time + ds[i] - ts[j]);
            time = ts[j] + debt;
            cost += debt;
        }
        std::cout << cost << std::endl;
    }

    return 0;
}