#include <iostream>
#include <cstring>
#include <cstdio>
#include <algorithm>
#define ll long long
using namespace std;
int sz[25];
ll sum;
bool f;
int total_piece;
int stick_size;
bool visit[25];
int M;
bool cmp(int a,int b)
{
return a>b;
}
bool backtrack(int present_size,int index,int piece_cnt)
{
if(stick_size*piece_cnt==sum)
return 1;
for(int i=index;i<M;i++)
{
if(visit[i])
continue;
if(i>0 && !visit[i-1] && sz[i]==sz[i-1])
continue;
if(present_size+sz[i]==stick_size)
{
visit[i]=1;
if(backtrack(0,0,piece_cnt+1))
return 1;
visit[i]=0;
return 0;
}
else if(present_size+sz[i]<stick_size)
{
visit[i]=1;
if(backtrack(present_size+sz[i],i+1,piece_cnt))
return 1;
visit[i]=0;
if(present_size==0)
return 0;
}
}
return 0;
}
int main()
{
int t;
int mx_sz;
cin>>t;
while(t--)
{
cin>>M;
mx_sz = 0;
sum = 0;
for(int i=0;i<M;i++)
{
cin>>sz[i];
sum+=sz[i];
if(sz[i]>mx_sz)
mx_sz = sz[i];
}
if(sum%4)
{
cout<<"no\n";
continue;
}
if(mx_sz>sum/4)
{
cout<<"no\n";
continue;
}
sort(sz,sz+M,cmp);
memset(visit,0,sizeof(visit));
stick_size = sum/4;
if(backtrack(0,0,0))
cout<<"yes\n";
else
cout<<"no\n";
}
return 0;
}