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#include <bits/stdc++.h>
using namespace std;

#define int int64_t
#define MAX 25000000

int32_t main() {
    ios::sync_with_stdio(0); cin.tie(0);

    vector<int> sum_cnt(MAX + 1, 0);

    for (int a = 1; a <= 5000; a++) {
        for (int b = a; b <= 5000; b++) {
            int s = a * a + b * b;
            if (s > MAX) {
                break;
            }
            sum_cnt[s]++;
        }
    }

    int n;
    cin >> n;

    int cnt = 0;
    for (int d = 1; d <= n; d++) {
        for (int h = 1; h < d; h++) { 
            int S = d * d - h * h;
            if (S < 2) {
                continue;
            }
            if (S > MAX) {
                continue;
            }
            cnt += sum_cnt[S];
        }
    }

    cout << cnt;

    return 0;
}