Problem Statement

We all know about divisor, dividend, quotient and remainder of a number.

Now, you are given an integer N and A and an equation N$=$A$*$M $+$ D$,$ where you can

choose a positive Integer M$,$ multiply it with A and add a divisor of M to make it equal

to N$.$

Now, for a given value of N and A$,$ can you find the sum of the number of possible values of M that satisfy the given equation?

Input Format

The first line contains two integers, N and A

Output Format

A single integer representing the sum of the number of possible values of M which satisfies the given equation

Sample Testcase #$0$

Testcase Input

$12345$

Testcase Output

$0$

Explanation

There is no possible solution..