#include <bits/stdc++.h>   using namespace std;   int t;   int main() {     cin >> t;     while (t--) {       int n, nrp = 0, nri = 0;       cin >> n;       while (n--) {         int x;         cin >> x;         if (x % 2)           nri++;         else           nrp++;       }       if (nrp == 0)         if (nri % 2)           cout <<  YES n ;         else           cout <<  NO n ;       else if (nri)         cout <<  YES n ;       else         cout <<  NO n ;     }     return 0;   }   