#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, a = 0;
  cin >> n;
  for (int i = 1; i <= n; i++)
    for (int j = i + 1; j <= n; j++) {
      double x = sqrt(i * i + j * j);
      if ((int)sqrt(x * x) == x && x >= j && x <= n) a++;
    }
  cout << a;
}
