#pragma GCC optimize("Ofast") #include using namespace std; typedef long long int ll; typedef unsigned long long int ull; mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count()); ll myRand(ll B) { return (ull)rng() % B; } int main() { cin.tie(nullptr); ios::sync_with_stdio(false); pair p; for (ll a = 1e8; a <= 1e9; a++) { ll c1 = -4*a; ll c2 = a*a-1; if (c1*c1 - 4*c2 < 0) continue; ll b = -c1+round(sqrt(c1*c1 - 4*c2)); if (b%2 == 0) { b /= 2; if (a*a-4*a*b+b*b == 1 and b <= 1e9) { p = {a,b}; } } } cout << 0 << " " << 0 << endl; cout << p.first << " " << p.second << endl; cout << p.second << " " << p.first << endl; }