public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int n = sc . nextInt ( ) ;
  int m = sc . nextInt ( ) ;
  Cake [ ] cake = new Cake [ n ] ;
  long ans = 0 ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    long x = sc . nextLong ( ) ;
    long y = sc . nextLong ( ) ;
    long z = sc . nextLong ( ) ;
    cake [ i ] = new Cake ( x , y , z ) ;
  }
  int [ ] xyz = new int [ 3 ] ;
  for ( int i = 0 ;
  i < 8 ;
  i ++ ) {
    Arrays . fill ( xyz , 1 ) ;
    int ii = i ;
    long an = 0 ;
    int count = 0 ;
    while ( ii > 0 ) {
      if ( ( ii & 1 ) == 1 ) {
        xyz [ count ] *= - 1 ;
      }
      ii >>= 1 ;
      count ++ ;
    }
    for ( int j = 0 ;
    j < n ;
    j ++ ) {
      cake [ j ] . x1 = cake [ j ] . x * xyz [ 0 ] ;
      cake [ j ] . y1 = cake [ j ] . y * xyz [ 1 ] ;
      cake [ j ] . z1 = cake [ j ] . z * xyz [ 2 ] ;
    }
    Arrays . sort ( cake , Comparator . comparing ( Cake :: getSum ) . reversed ( ) ) ;
    for ( int k = 0 ;
    k < m ;
    k ++ ) {
      an += cake [ k ] . getSum ( ) ;
    }
    ans = Math . max ( ans , an ) ;
  }
  System . out . println ( ans ) ;
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int n = sc . nextInt ( ) ; int m = sc . nextInt ( ) ; Cake [ ] cake = new Cake [ n ] ; long ans = 0 ; for ( int i = 0 ; i < n ; i ++ ) { long x = sc . nextLong ( ) ; long y = sc . nextLong ( ) ; long z = sc . nextLong ( ) ; cake [ i ] = new Cake ( x , y , z ) ; } int [ ] xyz = new int [ 3 ] ; for ( int i = 0 ; i < 8 ; i ++ ) { Arrays . fill ( xyz , 1 ) ; int ii = i ; long an = 0 ; int count = 0 ; while ( ii > 0 ) { if ( ( ii & 1 ) == 1 ) { xyz [ count ] *= - 1 ; } ii >>= 1 ; count ++ ; } for ( int j = 0 ; j < n ; j ++ ) { cake [ j ] . x1 = cake [ j ] . x * xyz [ 0 ] ; cake [ j ] . y1 = cake [ j ] . y * xyz [ 1 ] ; cake [ j ] . z1 = cake [ j ] . z * xyz [ 2 ] ; } Arrays . sort ( cake , Comparator . comparing ( Cake :: getSum ) . reversed ( ) ) ; for ( int k = 0 ; k < m ; k ++ ) { an += cake [ k ] . getSum ( ) ; } ans = Math . max ( ans , an ) ; } System . out . println ( ans ) ; }
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