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#include <bits/stdc++.h>

using i64 = long long;
using u64 = unsigned long long;
using u32 = unsigned;
using u128 = unsigned __int128;

int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    
    int n;
    std::cin >> n;
    
    std::vector<int> f(n * n);
    i64 ans = 0;
    
    for (int a = 1; a < n; a++) {
        for (int b = 1; b <= a && a * a + b * b < n * n; b++) {
            f[a * a + b * b]++;
        }
    }
    
    for (int l = 1; l <= n; l++) {
        for (int h = 1; h < l; h++) {
            ans += f[l * l - h * h];
        }
    }
    
    std::cout << ans << "\n";
    
    return 0;
}