#include<stdio.h>
#define	true 1
#define	false 0

int a[21],n;
int solve(int i,int m);

int main(){
  int i,q,m;

  scanf("%d",&n);
  for(i=0;i<n;i++){
    scanf("%d",&a[i]);
  }

  scanf("%d",&q);
  for(i=0;i<q;i++){
    scanf("%d",&m);
    if(solve(0,m)==false)
      printf("no\n");
    else printf("yes\n");
  }

  return 0;
}

int solve(i,m){
  int res;
  if(m==0) return true;
  if(i>=n) return false;
  res=solve(i+1,m) || solve(i+1,m-a[i]);
    return res;
}