import java.io.*;

public class Array2dimensi1
{
public static void main (String[]args)throws IOException
{
double nilai [][]=new double[3][3];

BufferedReader br;
br = new BufferedReader(new InputStreamReader(System.in));
System.out.println("Program Inputan Array Dua Dimensi");
System.out.println("=================================");
System.out.println("                                  ");
System.out.print("Masukan nilai : ");
nilai[0][0]= Double.parseDouble(br.readLine());
System.out.print("Masukan nilai : ");
nilai[1][0]= Double.parseDouble(br.readLine());
System.out.print("Masukan nilai : ");
nilai[2][0]= Double.parseDouble(br.readLine());
System.out.print("Masukan nilai : ");
nilai[0][1]= Double.parseDouble(br.readLine());
System.out.print("Masukan nilai : ");
nilai[1][1]= Double.parseDouble(br.readLine());
System.out.print("Masukan nilai : ");
nilai[2][1]= Double.parseDouble(br.readLine());
System.out.print("Masukan nilai : ");
nilai[0][2]= Double.parseDouble(br.readLine());
System.out.print("Masukan nilai : ");
nilai[1][2]= Double.parseDouble(br.readLine());
System.out.print("Masukan nilai : ");
nilai[2][2]= Double.parseDouble(br.readLine());

double det ;
det = ((nilai[0][0]*nilai[1][1]*nilai[2][2]+nilai[0][1]*nilai[1][2]*nilai[2][0]+nilai[0][2]*nilai[0][1]*nilai[2][1]))-((nilai[0][2]*nilai[1][1]*nilai[2][0]+nilai[0][1]*nilai[1][0]*nilai[0][0]+nilai[0][0]*nilai[0][1]*nilai[2][1]));
System.out.println("Determinan = "+det);

}
}