Problem Description

There are at least P% and at most Q% students of HDU are ACMers, now I want to know how many students HDU have at least?

Input

The input contains multiple test cases.
The first line has one integer,represent the number of test cases.
The following N lines each line contains two numbers P and Q(P < Q),which accurate up to 2 decimal places.

Output

For each test case, output the minumal number of students in HDU.

1
13.00 14.10

15