public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int N = sc . nextInt ( ) ;
  int M = sc . 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 ] = sc . nextLong ( ) ;
    y [ i ] = sc . nextLong ( ) ;
    z [ i ] = sc . nextLong ( ) ;
  }
  long ans = Long . MIN_VALUE ;
  for ( int i = 0 ;
  i < 1 << 3 ;
  i ++ ) {
    Long [ ] values = new Long [ N ] ;
    for ( int j = 0 ;
    j < N ;
    j ++ ) {
      values [ j ] = add ( x [ j ] , ( i >> 2 & 1 ) == 1 ) + add ( y [ j ] , ( i >> 1 & 1 ) == 1 ) + add ( z [ j ] , ( i >> 0 & 1 ) == 1 ) ;
    }
    Arrays . sort ( values , Collections . reverseOrder ( ) ) ;
    long ans_tmp = 0 ;
    for ( int j = 0 ;
    j < M ;
    j ++ ) {
      ans_tmp += values [ j ] ;
    }
    ans = Math . max ( ans , ans_tmp ) ;
  }
  out . println ( ans ) ;
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int N = sc . nextInt ( ) ; int M = sc . 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 ] = sc . nextLong ( ) ; y [ i ] = sc . nextLong ( ) ; z [ i ] = sc . nextLong ( ) ; } long ans = Long . MIN_VALUE ; for ( int i = 0 ; i < 1 << 3 ; i ++ ) { Long [ ] values = new Long [ N ] ; for ( int j = 0 ; j < N ; j ++ ) { values [ j ] = add ( x [ j ] , ( i >> 2 & 1 ) == 1 ) + add ( y [ j ] , ( i >> 1 & 1 ) == 1 ) + add ( z [ j ] , ( i >> 0 & 1 ) == 1 ) ; } Arrays . sort ( values , Collections . reverseOrder ( ) ) ; long ans_tmp = 0 ; for ( int j = 0 ; j < M ; j ++ ) { ans_tmp += values [ j ] ; } ans = Math . max ( ans , ans_tmp ) ; } out . println ( ans ) ; }
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