for _ in range(int(input())):
a, b, c = sorted([int(c) for c in input().split()])
print(a+b if c > a + b else (a+b+c)//2)// 1100: Sweet Problem
// Jan 11 2023
#include <iostream>
#include <bits/stdc++.h>
using namespace std;
void solve(){
long r,g,bl,a,b,c;
cin >> r >> g >> bl;
vector<int> vect{r, g, bl };
sort(vect.begin(),vect.end());
c = vect[0];
b = vect[1];
a = vect[2];
if(a > b+c){
cout << b+c << endl;
}
else{
long result = (a+b+c)/2;
cout << result << endl;
}
}
int main() {
int t;
cin >> t;
for(int i = 0; i < t;i++){
solve();
}
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