#include <iostream>

#include <algorithm>
#include <vector>

using namespace std;

int main(int argc, char* argv[])
{
  int N;
  int T;

  cin >> N >> T;

  vector<long long int> nv(N);
  for ( long long int& n : nv )
    cin >> n;

  vector<long long int> tv(T);
  for ( long long int& t : tv )
    cin >> t;
  
  for (long long int const& t : tv )
  {
    cout << accumulate( begin(nv), begin(nv) + t, 1,
                        [](long long int p, long long int n)->long long int
                        {
                          return p * n;
                        } ) << endl;
  }
  
  return 0;
}