Welcome to ZOJ
Information
Problems
Runs
Statistics
Ranklist
Clarification
77 - The 9th Zhejiang University Programming Contest - A
Square Root Day

Time Limit: 1 Second      Memory Limit: 32768 KB      Special Judge

Square Root Day is an unofficial holiday celebrated on days when both the day of the month and the month are the square root of either the last two or three digits of the year. For example, the last Square Root Day was March 3, 2009 (3/3/09), and the next Square Root Day will be April 4, 2016 (4/4/16).

Input

The first line of the input contains an integer T (T <= 10), indicating the number of cases.

Then T lines follows, each has two integers x and y (1 <= x <= y <= 2009).

Output

Output the number of Square Root Days from year x to year y, both inclusive.

Sample Input

2
2009 2009
81 100

Sample Output

1
2

Author: GAO, Yuan
Contest: The 9th Zhejiang University Programming Contest
Submit    Status