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#include <vector>
#include <algorithm>
#include <iostream>
std::vector<long long> timers;
int main() {
	std::ios_base::sync_with_stdio(false);
	std::cin.tie(NULL);
	long long k, p, t;
	std::cin >> k;
	std::cin >> p;
	timers.resize(k);
	for (long long i = 0; i < k; ++i) {
		std::cin >> timers[i];
	}
	long long end = 0;
	long long sum = 0;
	for (long long i = 0; i < p; ++i) {
		std::cin >> t;     
		for (long long time = 0; time < k; ++time) {
			end = std::max(end + t, timers[time]);
			sum += end - timers[time];
		}

		std::cout << sum << '\n';
		sum = 0;
		end = 0;
	}

	return 0;
}