201260: [AtCoder]ARC126 A - Make 10

Problem Statement

We have $N_2$ sticks of length $2$ each, $N_3$ sticks of length $3$ each, and $N_4$ sticks of length $4$ each. You can do the following operation any number of times.

• Choose two sticks.
• Let $x$ and $y$ be the lengths of these sticks. Bond them to form a stick of length $x+y$.

Find the maximum number of sticks that can be made whose lengths are exactly $10$.

Given $T$ test cases, solve each of them.

Constraints

• $1\leq T\leq 100$
• $0\leq N_2, N_3, N_4\leq 10^{15}$

Input

Input is given from Standard Input in the following format:

$T$
$\text{case}_1$
$\text{case}_2$
$\vdots$
$\text{case}_T$

Each case is in the following format:

$N_2$ $N_3$ $N_4$

Output

Print $T$ lines; the $i$-th line should contain the answer for $\text{case}_i$.

Sample Input 1

5
3 4 1
7 0 0
0 0 7
0 0 0
1000000000000000 1000000000000000 1000000000000000

Sample Output 1

2
1
0
0
900000000000000

Let us describe the first case. We have three sticks of length $2$, four sticks of length $3$, and one stick of length $4$.

One way to make two sticks of length exactly $10$ is as follows.

• Bond four sticks of length $2$, $2$, $3$, $3$ in some order to make one stick of length $10$.
• Bond three sticks of length $3$, $3$, $4$ in some order to make one stick of length $10$.
• Now we have three sticks of length $2$, $10$, $10$.