public static void main(String args[])
	   {
	      int m, n, c, d;
	      Scanner in = new Scanner(System.in);
	 
	      System.out.println("Enter the number of rows and columns of matrix");
	      m = in.nextInt();
	      n  = in.nextInt();
	 
	      int first[][] = new int[m][n];
	      int second[][] = new int[m][n];
	      int sum[][] = new int[m][n];
	 
	      System.out.println("Enter the elements of first matrix");
	 
	      for (  c = 0 ; c < m ; c++ )
	         for ( d = 0 ; d < n ; d++ )
	            first[c][d] = in.nextInt();
	 
	      System.out.println("Enter the elements of second matrix");
	 
	      for ( c = 0 ; c < m ; c++ )
	         for ( d = 0 ; d < n ; d++ )
	            second[c][d] = in.nextInt();
	 
	      for ( c = 0 ; c < m ; c++ )
	         for ( d = 0 ; d < n ; d++ )
	             sum[c][d] = first[c][d] + second[c][d];  //replace '+' with '-' to subtract matrices
	 
	      System.out.println("Sum of entered matrices:-");
	 
	      for ( c = 0 ; c < m ; c++ )
	      {
	         for ( d = 0 ; d < n ; d++ )
	            System.out.print(sum[c][d]+"\t");
	 
	         System.out.println();
	      }
	   }