public static void main ( String [ ] args ) {
  Scanner scanner = new Scanner ( System . in ) ;
  int n = scanner . nextInt ( ) ;
  int m = scanner . nextInt ( ) ;
  long [ ] x = new long [ n ] ;
  long [ ] y = new long [ n ] ;
  long [ ] z = new long [ n ] ;
  for ( int i = 0 ;
  i < n ;
  ++ i ) {
    x [ i ] = scanner . nextLong ( ) ;
    y [ i ] = scanner . nextLong ( ) ;
    z [ i ] = scanner . nextLong ( ) ;
  }
  int [ ] scale = {
    - 1 , 1 };
    long result = 0 ;
    for ( int a = 0 ;
    a < 2 ;
    ++ a ) {
      for ( int b = 0 ;
      b < 2 ;
      ++ b ) {
        for ( int c = 0 ;
        c < 2 ;
        ++ c ) {
          PriorityQueue < Long > sum = new PriorityQueue < > ( Comparator . reverseOrder ( ) ) ;
          long currentSum = 0 ;
          for ( int i = 0 ;
          i < n ;
          ++ i ) {
            long current = scale [ a ] * x [ i ] + scale [ b ] * y [ i ] + scale [ c ] * z [ i ] ;
            sum . add ( current ) ;
          }
          for ( int i = 0 ;
          i < m ;
          ++ i ) {
            currentSum += sum . poll ( ) ;
          }
          result = Math . max ( result , currentSum ) ;
        }
      }
    }
    System . out . println ( result ) ;
  }
  
public static void main ( String [ ] args ) { Scanner scanner = new Scanner ( System . in ) ; int n = scanner . nextInt ( ) ; int m = scanner . nextInt ( ) ; long [ ] x = new long [ n ] ; long [ ] y = new long [ n ] ; long [ ] z = new long [ n ] ; for ( int i = 0 ; i < n ; ++ i ) { x [ i ] = scanner . nextLong ( ) ; y [ i ] = scanner . nextLong ( ) ; z [ i ] = scanner . nextLong ( ) ; } int [ ] scale = { - 1 , 1 } ; long result = 0 ; for ( int a = 0 ; a < 2 ; ++ a ) { for ( int b = 0 ; b < 2 ; ++ b ) { for ( int c = 0 ; c < 2 ; ++ c ) { PriorityQueue < Long > sum = new PriorityQueue < > ( Comparator . reverseOrder ( ) ) ; long currentSum = 0 ; for ( int i = 0 ; i < n ; ++ i ) { long current = scale [ a ] * x [ i ] + scale [ b ] * y [ i ] + scale [ c ] * z [ i ] ; sum . add ( current ) ; } for ( int i = 0 ; i < m ; ++ i ) { currentSum += sum . poll ( ) ; } result = Math . max ( result , currentSum ) ; } } } System . out . println ( result ) ; }
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