#include<stdio.h>

 int n;
 int A[21];

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

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


 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))printf("yes\n");
                else printf("no\n");
                }
       return 0;
       }

                
