#include <stdio.h>

int solve(int,int,int,int * );

int main(){
  int i,n,A[2001],m,q;

  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,n,A)) printf("yes\n");
    else printf("no\n");
  }

  return 0;
}

int solve(int i,int m,int n,int A[]){
  int res;
  if(m==0) return 1;
  if(i>=n) return 0;

  res = solve(i+1,m,n,A) || solve(i+1,m-A[i],n,A);
  return res;
}

