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## Six Friends Solution | CodeChef Problem Solution 2022 | April Long Two

Six friends go on a trip and are looking for accommodation. After looking for hours, they find a hotel which offers two types of rooms — double rooms and triple rooms. A double room costs Rs. $X$, while a triple room costs Rs. $Y$.

The friends can either get three double rooms or get two triple rooms. Find the minimum amount they will have to pay to accommodate all six of them.

### Input Format

• The first line contains a single integer $T$ - the number of test cases. Then the test cases follow.
• The first and only line of each test case contains two integers $X$ and $Y$ - the cost of a double room and the cost of a triple room.

Solution Click Below:-

### Output Format

For each testcase, output the minimum amount required to accommodate all the six friends.

### Constraints

• $1\le T\le 100$
• $1\le X

### Sample Input 1

3
10 15
6 8
4 8


### Sample Output 1

30
16
12


### Explanation

Test case 1: The friends can take three double rooms and thus pay a total of Rs. $30$.

Test case 2: The friends can take two triple rooms and thus pay a total of Rs. $16$.

Test case 3: The friends can take three double rooms and thus pay a total of Rs. $12$.