public static void main ( String arg [ ] ) {
  Scanner sc = new Scanner ( System . in ) ;
  int n = sc . nextInt ( ) ;
  int [ ] [ ] ar = new int [ n ] [ n ] ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    for ( int j = 0 ;
    j < n ;
    j ++ ) {
      ar [ i ] [ j ] = sc . nextInt ( ) ;
    }
  }
  double [ ] [ ] arrA = new double [ n ] [ n ] ;
  double [ ] [ ] arrB = new double [ n ] [ n ] ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    for ( int j = i ;
    j < n ;
    j ++ ) {
      arrA [ i ] [ j ] = ( 1.0 * ar [ i ] [ j ] + ar [ j ] [ i ] ) / 2 ;
      arrB [ i ] [ j ] = ar [ i ] [ j ] - arrA [ i ] [ j ] ;
      arrA [ j ] [ i ] = arrA [ i ] [ j ] ;
      arrB [ j ] [ i ] = 0.0 - arrB [ i ] [ j ] ;
    }
  }
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    for ( int j = 0 ;
    j < n ;
    j ++ ) {
      System . out . print ( arrA [ i ] [ j ] + " " ) ;
    }
    System . out . println ( ) ;
  }
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    for ( int j = 0 ;
    j < n ;
    j ++ ) {
      System . out . print ( arrB [ i ] [ j ] + " " ) ;
    }
    System . out . println ( ) ;
  }
}

public static void main ( String arg [ ] ) { Scanner sc = new Scanner ( System . in ) ; int n = sc . nextInt ( ) ; int [ ] [ ] ar = new int [ n ] [ n ] ; for ( int i = 0 ; i < n ; i ++ ) { for ( int j = 0 ; j < n ; j ++ ) { ar [ i ] [ j ] = sc . nextInt ( ) ; } } double [ ] [ ] arrA = new double [ n ] [ n ] ; double [ ] [ ] arrB = new double [ n ] [ n ] ; for ( int i = 0 ; i < n ; i ++ ) { for ( int j = i ; j < n ; j ++ ) { arrA [ i ] [ j ] = ( 1.0 * ar [ i ] [ j ] + ar [ j ] [ i ] ) / 2 ; arrB [ i ] [ j ] = ar [ i ] [ j ] - arrA [ i ] [ j ] ; arrA [ j ] [ i ] = arrA [ i ] [ j ] ; arrB [ j ] [ i ] = 0.0 - arrB [ i ] [ j ] ; } } for ( int i = 0 ; i < n ; i ++ ) { for ( int j = 0 ; j < n ; j ++ ) { System . out . print ( arrA [ i ] [ j ] + " ▁ " ) ; } System . out . println ( ) ; } for ( int i = 0 ; i < n ; i ++ ) { for ( int j = 0 ; j < n ; j ++ ) { System . out . print ( arrB [ i ] [ j ] + " ▁ " ) ; } System . out . println ( ) ; } }
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