Question

Input format
• The first line contains an integer T denoting the number of test cases. Description of each test case as follows.
• The first line of each test case contains two integers N and M.
Output format
For each test case, print an integer denoting the required answer.
Constraints
1 <T < 10
1<N<M < 10%​

Answer 1

Answer:

I cannot understand your question

Explanation:

because it is so long