include <stdio.h>

include <stdlib.h>

int ss(const void a, const void b) {

int g1 = *(int*)a;
int g2 = *(int*)b;
return (g1 > g2) - (g1 < g2);

}

void gq() {

int spt;
scanf("%d", &spt);
int m[105];
for (int i = 0; i < spt; i++) scanf("%d", &m[i]);

qsort(m, spt, sizeof(int), ss);

for (int k = 0; k < spt; k++) {
    int t = 0, p = spt - 1;
    while (t < p) {
        if (t == k) { t++; continue; }
        if (p == k) { p--; continue; }
        
        int tg = m[t] + m[p];
        if (tg == m[k]) {
            printf("YES\n");
            return;
        }
        if (tg < m[k]) t++;
        else p--;
    }
}
printf("NO\n");

}

int main() {

int stv;
if (scanf("%d", &stv) == 1) {
    while (stv--) gq();
}
return 0;

}