func_code_string: #include <bits/stdc++.h>   using namespace std;   int t, a, b, c, ans, t1;   int main() {     scanf( %d , &t);     while (t--) {       scanf( %d%d%d , &a, &b, &c);       ans = 0;       t1 = c / 2;       t1 = min(t1, b);       ans += t1 * 3;       b -= t1;       t1 = b / 2;       t1 = min(t1, a);       ans += t1 * 3;       printf( %d n , ans);     }     return 0;   }   