func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     int t;     cin >> t;     int n, m, k;     while (t--) {       cin >> n >> m >> k;       if (n % 2 == 0 && k % 2 == 1) {         cout <<  NO n ;         continue;       }       if (n % 2 == 0 && k % 2 == 0) {         if (m % 2 == 0)           cout <<  YES n ;         else {           if (k > n * (m - 1) / 2)             cout <<  NO n ;           else             cout <<  YES n ;         }         continue;       }       if (m / 2 % 2 == 0) {         if (k % 2 == 0 && k >= m / 2)           cout <<  YES n ;         else           cout <<  NO n ;       } else {         if (k % 2 == 1 && k >= m / 2)           cout <<  YES n ;         else           cout <<  NO n ;       }     }     return 0;   }   