/**
 * Shamel Sameer
 * Period 4th
 * Computer Science 3 honors
 *
 */

import java.util.Scanner;
import java.text.DecimalFormat;
public class LAB01 {

    public static void main (String[] args)
    {
    	Scanner input = new Scanner(System.in);
    	 int[][] matrix1={
    	{3,4,2},

    	};

    	System.out.print("Would you like to add or multiply matricies? ==>");
    	String am=input.nextLine();
    	if(am.equals("add") || am.equals("Add"))
    		AddMatrix(matrix1);
    	else if (am.equals("multiply") || am.equals("Multiply"))
    		MultMatrix(matrix1);




    }

    public static void MultMatrix(int[][] matrix1)
    {

    	Scanner input = new Scanner(System.in);
    	DecimalFormat threeDigits = new DecimalFormat("000");

    		int rows,coloumns;


     	do{
     		System.out.print("# of rows? ===>");
     		rows= input.nextInt();

     		System.out.print("# of coloumns? ===>");
    		coloumns=input.nextInt();

    		if(rows!=matrix1[0].length )
    			System.out.println("Error! # of rows dont match matrix1's # of coloumns.!!!PLEASE REENTER!!!");

     	}while(rows!=matrix1[0].length );

    	int[][] matrix2= new int[rows][coloumns];

    	for(int r=0;r<matrix2.length;r++)
     		for(int c=0;c<matrix2[0].length;c++)
     		{
     			System.out.print("Enter the value at the position [" + r+ "]["+c+"] ==>");
     			matrix2[r][c]= input.nextInt();

     		}

     		int[][] matrix3= new int[matrix1.length][matrix2[0].length];

     	for(int r=0;r<matrix1.length;r++)
     	{

     		for(int c=0;c<matrix2[0].length;c++)
     		{
     		  for(int col=0;col<matrix1[0].length;col++)
     		  {
     		  	matrix3[r][c]= matrix3[r][c] + matrix1[r][col] * matrix2[col][c];
     		  }

     		}
     	}




     	System.out.println("-------------ORIGINAL MATRIX--------------");



     		for(int r=0;r<matrix1.length;r++)
     		{


     		for(int c=0;c<matrix1[0].length;c++)
     		{
     			System.out.print(threeDigits.format(matrix1[r][c])+" ");

     		}
     		System.out.println();
     		}


     		System.out.println();
     		System.out.println();
     		System.out.println();

    	System.out.println("-------------THE 2ND MATRIX--------------");
    	System.out.println();

    		for(int r=0;r<matrix2.length;r++)
     		{


     		for(int c=0;c<matrix2[0].length;c++)
     		{
     			System.out.print(threeDigits.format(matrix2[r][c])+" ");

     		}

     		System.out.println();

     		}
     		System.out.println();
     		System.out.println();
     		System.out.println();
     		System.out.println();

     			System.out.println("-------------THE 3RD MATRIX--------------");
     			System.out.println();

     	for(int r=0;r<matrix3.length;r++)
     		{
     		for(int c=0;c<matrix3[0].length;c++)
     		{
     			System.out.print(threeDigits.format(matrix3[r][c])+" ");

     		}
     		System.out.println();
     		}

    		System.out.println();
     		System.out.println();
     		System.out.println();
     		System.out.println();


    }

     public static void AddMatrix(int[][] matrix1){


     	DecimalFormat threeDigits = new DecimalFormat("000");
     	Scanner input = new Scanner(System.in);

     	int rows,coloumns;


     	do{
     		System.out.print("# of rows? ===>");
     		rows= input.nextInt();

     		System.out.print("# of coloumns? ===>");
    		coloumns=input.nextInt();

    		if(rows!=matrix1.length && coloumns!=matrix1[0].length)
    			System.out.println("Error! Dimensions dont match matrix1's dimensions.!!!PLEASE REENTER!!!");

     	}while(rows!=matrix1.length && coloumns!=matrix1[0].length);

     	int[][] matrix2= new int[rows][coloumns];
     	for(int r=0;r<matrix1.length;r++)
     		for(int c=0;c<matrix1[0].length;c++)
     		{
     			System.out.print("Enter the value at the position [" + r+ "]["+c+"] ==>");
     			matrix2[r][c]= input.nextInt();

     		}

     		int[][] matrix3= new int[rows][coloumns];
     		for(int r=0;r<matrix1.length;r++)
     		for(int c=0;c<matrix1[0].length;c++)
     		{
     			matrix3[r][c]=matrix1[r][c]+matrix2[r][c];

     		}
     				System.out.println("-------------ORIGINAL MATRIX--------------");
     				System.out.println();



     		for(int r=0;r<matrix1.length;r++)
     		{


     		for(int c=0;c<matrix1[0].length;c++)
     		{
     			System.out.print(threeDigits.format(matrix1[r][c])+" ");

     		}
     		System.out.println();
     		}


     		System.out.println();
     		System.out.println();
     		System.out.println();

    	System.out.println("-------------THE 2ND MATRIX--------------");
    	System.out.println();

    		for(int r=0;r<matrix1.length;r++)
     		{


     		for(int c=0;c<matrix1[0].length;c++)
     		{
     			System.out.print(threeDigits.format(matrix2[r][c])+" ");

     		}

     		System.out.println();

     		}
     		System.out.println();
     		System.out.println();
     		System.out.println();
     		System.out.println();

     			System.out.println("-------------THE PRODUCT MATRIX--------------");
     			System.out.println();

     	for(int r=0;r<matrix1.length;r++)
     		{
     		for(int c=0;c<matrix1[0].length;c++)
     		{
     			System.out.print(threeDigits.format(matrix3[r][c])+" ");

     		}
     		System.out.println();
     		}

    		System.out.println();
     		System.out.println();
     		System.out.println();
     		System.out.println();



    }


    }