#include #include using std::cin; using std::cout; const char endl = '\n'; const int N = 1005, mod = 1e9 + 7; int n, m, p; class Matrix { private: int data[N][N]; public: Matrix() { memset(data, 0x00, sizeof(data)); } int* operator[](int i) { return data[i]; } Matrix operator*(Matrix b) const { Matrix c; for (int i = 1; i <= n; i++) { for (int j = 1; j <= p; j++) { for (int k = 1; k <= m; k++) { c[i][j] = (c[i][j] + 1ll * data[i][k] * b[k][j] % mod) % mod; } } } return c; } } a, b, c; int main() { std::ios::sync_with_stdio(false); cin >> n >> m >> p; for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { cin >> a[i][j]; } } for (int i = 1; i <= m; i++) { for (int j = 1; j <= p; j++) { cin >> b[i][j]; } } c = a * b; for (int i = 1; i <= n; i++) { for (int j = 1; j <= p; j++) { cout << (c[i][j] % mod + mod) % mod << ' '; } cout << endl; } return 0; }