/*
revenge.java
Pythagorean's Revenge, MCPC 2012 Problem A
Java solution by Andy Harrington
a^2 = c^2 - b^2 = (c-b)*(c+b)
Look for factor a^2 = x*y, b = (y-x)/2 > a
I use the bound on x when b=a, solving for x = c-b = c-a so (c-a)(c+a) = a^2.
*/
import java.util.*;
import java.io.*;
import static java.lang.Math.*;
public class revenge
{
public static void main(String[] args) throws Exception {
Scanner in = new Scanner(new File("revenge.in"));
int a = in.nextInt();
while (a > 0) {
long a2 = (long)a*a;
int count = 0;
for (long x = (long)((sqrt(2) - 1)*a); x > 0; x--)
if (a2 % x == 0 && (a2/x - x) % 2 == 0)
count++;
System.out.println(count);
a = in.nextInt();
}
}
}
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