#include using namespace std; typedef long long ll; typedef pair p_ll; template void debug(T itr1, T itr2) { auto now = itr1; while(now=0; i--) const ll MOD = pow(10,9)+7; const ll LLINF = pow(2,61)-1; const int INF = pow(2,30)-1; vector fac; void c_fac(int x=pow(10,6)+10) { fac.resize(x,true); rep(i,x) fac[i] = i ? (fac[i-1]*i)%MOD : 1; } ll modpow(ll x, ll p) { ll result = 1, now = 1, pm = x; while (now<=p) { if (p&now) { result = result * pm % MOD; } now*=2; pm = pm*pm % MOD; } return result; } ll inv(ll a, ll m=MOD) { ll b = m, x = 1, y = 0; while (b!=0) { int d = a/b; a -= b*d; swap(a,b); x -= y*d; swap(x,y); } return (x+m)%m; } ll nck(ll n, ll k) { return fac[n]*inv(fac[k]*fac[n-k]%MOD)%MOD; } ll gcd(ll a, ll b) { if (a> N; vector yaku; yaku.push_back(N); repr(i,1,N) if ((N*N)%i==0) { yaku.push_back(i); yaku.push_back((N*N)/i); } sort(all(yaku)); ll s = yaku.size(); ll c1 = 0, c2 = 0, c3 = 0; rep(i,s) rep(j,s) { if ((N*N)%(yaku[i]*yaku[j])) continue; ll r = (yaku[i]+yaku[j])*(yaku[i]+yaku[j])+4*N*N/(yaku[i]*yaku[j]), sqr = sqrt(r); if (r<0||sqr*sqr!=r||(sqr-(yaku[i]+yaku[j]))%2) continue; ll k = (sqr-(yaku[i]+yaku[j])) / 2; if (yaku[i]==yaku[j]&&yaku[j]==k) c3++; else if (yaku[i]==yaku[j]||yaku[j]==k||k==yaku[i]) c2++; else c1++; // cout << yaku[i] << " " << yaku[j] << " " << k << endl; } ll result = c1/6 + c2/3 + c3; cout << result << endl; return 0; }