#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 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 >> D; ll num = pow(10,7); ll nl[num] = {}, nr[num] = {}; repr(x,1,N+1) repr(y,1,N+1) nl[x*x+y*y]++; repr(z,1,N+1) repr(w,1,N+1) if (w*w-z*z+D>=0) nr[w*w-z*z+D]++; ll result = 0; rep(i,num) result += nl[i]*nr[i]; cout << result << endl; return 0; }