#include <bits/stdc++.h>
using namespace std;

int nums[60];

void process(int n) {
    int a = 0, b = -1;
    for (int i = 0; i < n; i++) {
        if (nums[i] == 1)
            a++;
        else
            b += nums[i] + 1;
    }
    if (a == 0 && b > 0) {
        if (b % 2)
            puts("YES");
        else
            puts("NO");
    }
    if (a > 0 && b > 2) {
        if (a % 2 || b % 2)
            puts("YES");
        else
            puts("NO");
    }
    if (a > 0 && b <= 2) {
        if (a % 3)
            puts("YES");
        else
            puts("NO");
    }
}

int main() {
    int t, n;
    cin >> t;
    while (t--) {
        memset(nums, 0, sizeof(nums));
        cin >> n;
        for (int i = 0; i < n; i++)
            cin >> nums[i];
        process(n);
    }
    return 0;
}