#include <bits/stdc++.h>
#include "matrix.h"

using namespace std;

int main() {
  BigInteger d = 1000000;
  d *= d;
  d /= 132;
  cout << d << endl;

  Matrix<20, 20, Rational> a;

  for (size_t i = 0; i < a.getRow(0).size(); ++i) {
    for (size_t j = 0; j < a.getColumn(0).size(); ++j) {
      cin >> a[i][j];
    }
  }

  for (size_t i = 0; i < a.getRow(0).size(); ++i) {
    for (size_t j = 0; j < a.getColumn(0).size(); ++j) {
      cout << setprecision(20) << (double)a[i][j] << " ";
    }
    cout << endl;
  }

  cout << "START INVERTED" << endl;
  auto s = a.inverted();
  cout << "END INVERTED" << endl;

  Matrix<20, 20, double> result;

  for (size_t i = 0; i < a.getRow(0).size(); ++i) {
    for (size_t j = 0; j < a.getColumn(0).size(); ++j) {
      cin >> result[i][j];
    }
  }

  for (size_t i = 0; i < s.getRow(0).size(); ++i) {
    for (size_t j = 0; j < s.getColumn(0).size(); ++j) {
      if (abs((double)s[i][j] - result[i][j]) < 1e-6) continue;

      cout << setprecision(8) << (double)s[i][j] << " ";
    }
    cout << endl;
  }

  return 0;
}