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#include<bits/stdc++.h>
#define inf 0x3f3f3f3f3f3f3f3fll
#define debug(x) cerr<<#x<<"="<<x<<endl
using namespace std;
using ll=long long;
using ld=long double;
using pli=pair<ll,int>;
using pi=pair<int,int>;
template<typename A>
using vc=vector<A>;
template<typename A,const int N>
using aya=array<A,N>;
inline int read()
{
	int s=0,w=1;char ch;
	while((ch=getchar())>'9'||ch<'0') if(ch=='-') w=-1;
	while(ch>='0'&&ch<='9') s=s*10+ch-'0',ch=getchar();
	return s*w;
}
inline ll lread()
{
	ll s=0,w=1;char ch;
	while((ch=getchar())>'9'||ch<'0') if(ch=='-') w=-1;
	while(ch>='0'&&ch<='9') s=s*10+ch-'0',ch=getchar();
	return s*w;
}
ll f[25000005];
int n;ll ans=0;
int main()
{
	n=read();
	for(int i=1;i<=n;i++) for(int j=i;i*i+j*j<=n*n;j++) f[i*i+j*j]++;
	for(int i=1;i<=n;i++) for(int j=i;j<=n;j++) ans+=f[j*j-i*i];
	printf("%lld\n",ans);
	return 0;
}