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#include <bits/stdc++.h>
#define ull long long
#define ll long long
#define pb push_back
#define pf push_front
#define in insert
#define f first
#define s second
#define pii pair<int, int>
#define pib pair<int, bool>
#define cint const int
#define mn2 262144
#define nw '\n'
#define sp " "
#define mn 5009
#define inf 400009
#define ms 25000009
#define int long long
using namespace std;
ull pot[mn], odp, dp[ms];
ull n;
vector<int> v;
int32_t main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    for(ull i=1; i<=5000; ++i){
        for(ull k=i; k<=5000; ++k){
            ull sum=i*i+k*k;
            if(sum>ms-9) break;
            ++dp[sum];
        }
    }
    cin>>n;
    for(ull i=1; i<=n; ++i){
        for(ull j=1; j<i; ++j){
            ull b=i*i-j*j;
            if(b<2) continue;
            if(b>ms-9) continue;
            odp+=dp[b];
        }
    }
    cout<<odp;
}