#include<bits/stdc++.h>
using namespace std;
bool sub(int a[],vector out,int i,int j,int n)
{
if(i==n)
{
int sum=0;
for(int ss=0;ss<j;ss++){
sum+=out[ss];}
if(j>1&&sum==0)
{return true;
}
return false;
}
out[j]=a[i];
if(sub(a,out,i+1,j+1,n)==true)
{return true;}
else{
return sub(a,out,i+1,j,n);
}
}
int main() {
int t;
cin>>t;
while(t–){
int a[1000];
int n;
cin>>n;
vector out(n,0);
int k=0;
for(int i=0;i<n;i++)
{cin>>a[i];}
if(sub(a,out,0,0,n)==true)
{cout<<“Yes”<<endl;}
else
{cout<<“No”<<endl;}
}
return 0;
}