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#include <cstdio>
#include <cstring>
#include <cmath>
#include <cassert>
#include <iostream>
#include <algorithm>
#include <iterator>
#include <string>
#include <vector>
#include <queue>
#include <bitset>
#include <utility>
#include <stack>

using namespace std;
typedef long long LL;
typedef pair<int,int> PII;
typedef vector<int> VI;
#define MP make_pair
#define FOR(v,p,k) for(int v=(p);v<=(k);++v)
#define FORD(v,p,k) for(int v=(p);v>=(k);--v)
#define REP(i,n) for(int i=0;i<(n);++i)
#define VAR(v,i) __typeof(i) v=(i)
#define FOREACH(i,c) for(VAR(i,(c).begin());i!=(c).end();++i)
#define PB push_back
#define ST first
#define ND second
#define SIZE(x) (int)x.size()
#define ALL(c) c.begin(),c.end()

#define ODD(x) ((x)%2)
#define EVEN(x) (!(ODD(x)))


int main() {
    int n, m;
    scanf("%d %d", &n, &m);
    vector<LL> t(n);
    REP(i, n) {
        scanf("%lld", &t[i]);
    }
    VI d(m);
    REP(i, m) {
        scanf("%d", &d[i]);
    }
    REP(j, m) {
        LL b=0;
        LL total=0;
        REP(i, n) {
            b=max(t[i], b+d[j]);
            total += b-t[i];
        }
        printf("%lld\n", total);
    }
    return 0;
}