A company has N interns, interned from 1 to N. each interns has been given a device which generate password (number) everyday that will be used as a password for authorization at the office door every day in the morning. The internship for 50 days numbered from 0 to 49. Initially on the first day number in the device of k" intern will be 5000*k

Form the second day (ie, i=1) new number will be generated everyday in each device in the following way:

Day (i) = Day (i-1) + 5000+i;

Find the label of the intern from the given password.

Input specification

Input-1: N. number of interns Input-2: P. password used

Output: Returns the label of the intern for whom the password will be used.

Example-1:

Input1: 2

Input2: 5000

Output: 1

Example-2:

Input1: 10 Input2: 25003

Output: 3

please can you help to solve this problem by java