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#include<bits/stdc++.h>

using namespace std;

const int N = 5003;

int t[N*N];

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n;
    cin>>n;

    for (int i = 1; i <= n; ++i) {
        for (int h = 1; h < i; ++h) {
            ++t[i*i - h*h];
        }
    }

    int res = 0;

    for (int a = 1; a < n; ++a) {
        for (int b = a; b < n; ++b) {
            res += t[a*a + b*b];
        }
    }

    cout<<res<<'\n';
}