#include using namespace std; #define ALL(x) begin(x),end(x) #define rep(i,n) for(int i=0;i<(n);i++) #define debug(v) cout<<#v<<":";for(auto x:v){cout<bool chmax(T &a,const T &b){if(abool chmin(T &a,const T &b){if(b ostream &operator<<(ostream &os,const vector&v){ for(int i=0;i<(int)v.size();i++) os< istream &operator>>(istream &is,vector&v){ for(T &x:v)is>>x; return is; } signed main(){ ll N;cin>>N; ll res=0; for(ll i=1;i*i<=N*N;i++){ ll rem=N*N-i*i; ll lw=ll(sqrt(rem)); for(ll x=max(1ll,lw-5);x<=lw+10;x++){ if(i*i+x*x==N*N) res++; } } cout<