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#include <iostream>

using namespace std;

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n,m;
    cin>>n;
    cin>>m;
    long long time,overtime=0;
    long long *t=new long long[n];
    int *d=new int[m];
    for(int i=0;i<n;i++)
        cin>>t[i];
    for(int i=0;i<m;i++)
        cin>>d[i];
    for(int i=0;i<m;i++)
    {
        time=0;
        overtime=0;
        for(int j=0;j<n;j++)
        {
            if(t[j]<(d[i]+time))
                {
                    overtime+=d[i]+time-t[j];
                    time+=time+d[i]-t[j];
                }
            else
                time=t[j];
        }
        cout<<overtime<<endl;
    }
    delete[]t;
    delete[]d;
    return 0;
}