#include<iostream>
#include<bitset>
using namespace std;

const int MAXN = 1e4 * 3 + 1;
const int dxy = 1e4 + 1;

bitset<MAXN> f1, f2;
int T, n;
bool flag = false;

/*
4
3
1 3 2
3
3 2 1
5
2 1 3 4 5
5
4 2 3 1 5

x << 1
f2 << (x * 2)
>> dxy

*/

int main(){
	freopen("sequence.in","r",stdin);
	freopen("sequence.out","w",stdout);
    cin.tie(0) -> ios::sync_with_stdio(0);
    cin >> T;
    while(T --){
        cin >> n;
        f1.reset(); f2.reset(); flag = false;
        for (int i = 1, x;i <= n;i ++){
            cin >> x;
            if(f1[x]) flag = true;
            f1 = (f1 | ((f2 << (x << 1)) >> dxy));
            f2[dxy - x] = 1;
        }
        cout << (flag ? "Y\n" : "N\n");
    }
    return 0;
}