Chef bought car insurance. The policy of the insurance is:

The maximum rebatable amount for any damage is Rs X lakhs.
If the amount required for repairing the damage is ≤ X lakhs, that amount is rebated in full.

Chef's car meets an accident and required Rs Y lakhs for repairing.

Determine the amount that will be rebated by the insurance company.

------ Input Format ------

• The first line of input will contain a single integer T, denoting the number of test cases.
• The first and only line of each test case contains two space-separated integers X and Y.

------ Output Format ------

For each test case, output the amount (in lakhs) that will be rebated by the insurance company.

------ Constraints ------

$1 ≤ T ≤ 1000$
$1 ≤ X, Y ≤ 30$

----- Sample Input 1 ------
4
5 3
5 8
4 4
15 12

----- Sample Output 1 ------
3
5
4
12

----- explanation 1 ------
Test case $1$: The damages require only Rs $3$ lakh which is below the upper cap, so the entire Rs $3$ lakh will be rebated.

Test case $2$: The damages require Rs $8$ lakh which is above the upper cap, so only Rs $5$ lakh will be rebated.

Test case $3$: The damages require only Rs $4$ lakh which is equal to the upper cap, so the whole Rs $4$ lakh will be rebated.

Test case $4$: The damages require Rs $15$ lakh which is above the upper cap, so only Rs $12$ lakh will be rebated.

见题面

见题面