public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  final int N = sc . nextInt ( ) ;
  int M = sc . nextInt ( ) ;
  long [ ] X = new long [ N ] ;
  long [ ] Y = new long [ N ] ;
  long [ ] Z = new long [ N ] ;
  int [ ] sg = {
    1 , - 1 };
    for ( int i = 0 ;
    i < N ;
    i ++ ) {
      X [ i ] = sc . nextLong ( ) ;
      Y [ i ] = sc . nextLong ( ) ;
      Z [ i ] = sc . nextLong ( ) ;
    }
    long ans = 0 ;
    long [ ] S = new long [ N ] ;
    for ( int i = 0 ;
    i < 2 ;
    i ++ ) {
      for ( int j = 0 ;
      j < 2 ;
      j ++ ) {
        for ( int k = 0 ;
        k < 2 ;
        k ++ ) {
          long ans2 = 0 ;
          for ( int l = 0 ;
          l < N ;
          l ++ ) {
            S [ l ] = X [ l ] * sg [ i ] + Y [ l ] * sg [ j ] + Z [ l ] * sg [ k ] ;
          }
          Arrays . sort ( S ) ;
          for ( int l = N - 1 ;
          l > N - M - 1 ;
          l -- ) ans2 += S [ l ] ;
          ans = Math . max ( ans , ans2 ) ;
        }
      }
    }
    System . out . println ( ans ) ;
  }
  
public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; final int N = sc . nextInt ( ) ; int M = sc . nextInt ( ) ; long [ ] X = new long [ N ] ; long [ ] Y = new long [ N ] ; long [ ] Z = new long [ N ] ; int [ ] sg = { 1 , - 1 } ; for ( int i = 0 ; i < N ; i ++ ) { X [ i ] = sc . nextLong ( ) ; Y [ i ] = sc . nextLong ( ) ; Z [ i ] = sc . nextLong ( ) ; } long ans = 0 ; long [ ] S = new long [ N ] ; for ( int i = 0 ; i < 2 ; i ++ ) { for ( int j = 0 ; j < 2 ; j ++ ) { for ( int k = 0 ; k < 2 ; k ++ ) { long ans2 = 0 ; for ( int l = 0 ; l < N ; l ++ ) { S [ l ] = X [ l ] * sg [ i ] + Y [ l ] * sg [ j ] + Z [ l ] * sg [ k ] ; } Arrays . sort ( S ) ; for ( int l = N - 1 ; l > N - M - 1 ; l -- ) ans2 += S [ l ] ; ans = Math . max ( ans , ans2 ) ; } } } System . out . println ( ans ) ; }
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