//naive
#include<bits/stdc++.h>
using namespace std;
using i64=long long;

int main(){
	i64 N;
	cin >> N;
	if(N>1e8)return 0;
	i64 ans=0;
	for(i64 i=1;4*i*i<=N;i++)for(i64 j=i+1;2*j*j+2*i*j<=N;j+=2)if(__gcd(i,j)==1)ans+=N/(2*j*j+2*i*j);
	cout << ans << endl;
}