#include<bits/stdc++.h>
using namespace std;
using ll = long long int;
using ld = long double;
const ll MAX = 5000000000000000000;
const ld PI = 3.14159265358979;
const ll MOD = 0;//2024948111;
random_device rd;
mt19937 mt(rd());
ld dotorad(ld K){return PI * K / 180.0;}
ld radtodo(ld K){return K * 180.0 / PI;}
int main(){
    ll N,ans = 0;
    cin >> N;
    for(ll i = 1;i <= N;i++){
        ll p = sqrtl(N * N - i * i);
        for(ll j = max(1LL,p - 10);j <= p + 10;j++){
            if(i * i + j * j == N * N) ans++;
        }
    }
    cout << ans << endl;
}