codeforces 304A. Pythagorean Theorem II

//cf304 A
//2013-06-05-18.14
#include <stdio.h>
#include <math.h>
int main()
{
    int n;
    while (scanf("%d", &n) != EOF)
    {
        int cnt = 0;
        for (int i = 1; i < n; i++)
        {
            for (int j = 1; j < i; j++)
            {
                int t = i*i + j*j;
                int c = (int)sqrt(t);
                if (c > n)
                    continue;
                if (c*c != t)
                    continue;
                if (i+j > c && i+c > j && j+c > i && i-j < c && i-c < j && j-c < i)
                    cnt++;
            }
        }
        printf("%d\n", cnt);
    }
    return 0;
}