#include<bits/stdc++.h>
using namespace std;
using ll = long long;
using P = pair<int,int>;

int main(){
  
  ll n; cin>>n;
  n *= n;
  int ans{};
  for(ll x=1; x*x<n; x++){
    ll y = n-x*x;
    if((ll)sqrt(y)*(ll)sqrt(y)==y)ans++;
  }
  cout<<ans<<endl;
  
  
  
}