import java.util.ArrayList;
import java.util.Iterator;
import java.util.PrimitiveIterator;
import java.util.Scanner;
import java.util.function.Supplier;
import java.util.stream.IntStream;
import java.util.stream.Stream;

public class Main{
	static Scanner s=new Scanner(System.in);
	
	class E{
		long a,b,c;
		
		E(){
			a=gLong();
			b=gLong();
			c=gLong();
		}
		
		@Override
		public String toString(){
			return "["+a+", "+b+", "+c+"]";
		}
	}
	
	void solve(){
		int n=gInt(),m=gInt();
		ArrayList<E>l=new ArrayList<>();
		for(int i:rep(n))
			l.add(new E());
		
		long r=0;
		r=Math.max(r,f(+1,+1,+1,n,m,l));
		r=Math.max(r,f(+1,+1,-1,n,m,l));
		r=Math.max(r,f(+1,-1,+1,n,m,l));
		r=Math.max(r,f(+1,-1,-1,n,m,l));
		r=Math.max(r,f(-1,+1,+1,n,m,l));
		r=Math.max(r,f(-1,+1,-1,n,m,l));
		r=Math.max(r,f(-1,-1,+1,n,m,l));
		r=Math.max(r,f(-1,-1,-1,n,m,l));
		
		System.out.println(r);
	}
	
	private long f(int i,int j,int k,int n, int m, ArrayList<E> l){
		return l.stream().mapToLong(o->o.a*i+o.b*j+o.c*k).sorted().skip(n-m).sum();
	}

	public static void main(String[] A){
		new Main().solve();
	}

	static int gInt(){
		return Integer.parseInt(s.next());
	}
	static long gLong(){
		return Long.parseLong(s.next());
	}
	static double gDouble(){
		return Double.parseDouble(s.next());
	}

	SupplyingIterator<Integer> ints(int n){
		return new SupplyingIterator<>(n,Main::gInt);
	}
	SupplyingIterator<Long> longs(int n){
		return new SupplyingIterator<>(n,Main::gLong);
	}
	SupplyingIterator<Double> doubles(int n){
		return new SupplyingIterator<>(n,Main::gDouble);
	}
	SupplyingIterator<String> strs(int n){
		return new SupplyingIterator<>(n,s::next);
	}

	Range rep(int i){
		return Range.rep(i);
	}
	Range rep(int f,int t,int d){
		return Range.rep(f,t,d);
	}
	Range rep(int f,int t){
		return rep(f,t,1);
	}
	Range rrep(int f,int t){
		return rep(t,f,-1);
	}

	IntStream REP(int v){
		return IntStream.range(0,v);
	}
	IntStream REP(int l,int r){
		return IntStream.rangeClosed(l,r);
	}

	IntStream INTS(int n){
		return IntStream.generate(Main::gInt).limit(n);
	}
	Stream<String> STRS(int n){
		return Stream.generate(s::next).limit(n);
	}

}
class SupplyingIterator<T> implements Iterable<T>,Iterator<T>{
	int			t;
	Supplier<T>	supplier;

	SupplyingIterator(int t,Supplier<T> supplier){
		this.t=t;
		this.supplier=supplier;
	}

	@Override
	public Iterator<T> iterator(){
		return this;
	}

	@Override
	public boolean hasNext(){
		return t>0;
	}

	@Override
	public T next(){
		--t;
		return supplier.get();
	}

}
class Range implements Iterable<Integer>,PrimitiveIterator.OfInt{
	int to,cur,d;

	Range(int from,int to,int d){
		this.cur=from-d;
		this.to=to;
		this.d=d;
	}

	Range(int n){
		this(0,n-1,1);
	}

	@Override
	public Iterator<Integer> iterator(){
		return this;
	}

	@Override
	public boolean hasNext(){
		return cur+d==to||(cur!=to&&(cur<to==cur+d<to));
	}

	@Override
	public int nextInt(){
		return cur+=d;
	}

	static Range rep(int i){
		return new Range(i);
	}
	static Range rep(int f,int t,int d){
		return new Range(f,t,d);
	}
	static Range rep(int f,int t){
		return rep(f,t,1);
	}
	static Range rrep(int f,int t){
		return rep(f,t,-1);
	}

}


Measured memory_bytes: 29224