#include <bits/stdc++.h>   using namespace std;   int main() {     long long tests, a, b, c;     cin >> tests;     while (tests--) {       cin >> a >> b >> c;       vector<long long> v;       v.push_back(a);       v.push_back(b);       v.push_back(c);       sort(v.begin(), v.end());       a = v[0];       b = v[1];       c = v[2];       if (a + c <= b)         cout << a + c <<   n ;       else if (a + c > b) {         cout << (a + b + c) / 2 <<   n ;       }     }   }   