#include using namespace std; #define OVERLOAD_REP(_1, _2, _3, name, ...) name #define REP1(i, n) for (auto i = std::decay_t{}; (i) != (n); ++(i)) #define REP2(i, l, r) for (auto i = (l); (i) != (r); ++(i)) #define rep(...) OVERLOAD_REP(__VA_ARGS__, REP2, REP1)(__VA_ARGS__) #define REP(i, l, r) rep(i, l, r+1) #define all(x) (x).begin(),(x).end() #define rall(x) (x).rbegin(),(x).rend() using ll = long long; using ld = long double; using P = pair; struct Edge { int to; ll w; }; using Graph = vector >; //using Graph = vector >; const ll INF = 2e18; //const int INF = 2e9; template using vc = vector; template using vv = vector >; template using vvv = vector > >; template using pq = priority_queue; template using pq_g = priority_queue, greater >; template istream& operator>>(istream& i, vc& v) { rep(j, 0, v.size()) i>>v[j]; return i; } template ostream& operator<<(ostream& o, vc& v) { rep(j, 0, v.size()) o< bool chmin(T& a, T b) { if(a > b) { a = b; return true; } return false; } template bool chmax(T& a, T b) { if(a < b) { a = b; return true; } return false; } vv multiply(vv v1, vv v2) { vv res(2, vc(2)); res[0][0] = v1[0][0]*v2[0][0] + v1[0][1]*v2[1][0]; res[0][1] = v1[0][0]*v2[0][1] + v1[0][1]*v2[1][1]; res[1][0] = v1[1][0]*v2[0][0] + v1[1][1]*v2[1][0]; res[1][1] = v1[1][0]*v2[0][1] + v1[1][1]*v2[1][1]; return res; } int main() { // 高速化 ios::sync_with_stdio(false); cin.tie(nullptr); // 小数点の出力桁数を指定 cout << fixed << setprecision(10); // メイン vv M(2, vc(2)), M_(2, vc(2)); cin >> M >> M_; vv res = multiply(M, M_); vv res_ = multiply(res, res); rep(i, 0, 2) { rep(j, 0, 2) cout << res_[i][j] << " "; cout << endl; } return 0; }