import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.NoSuchElementException;
import java.util.Queue;

public class Main {
	final long MOD=(long)1e9+7;
	
	class Edge {
		int src,dst,cost;
		
		public Edge(int src,int dst,int cost) {
			this.src=src;
			this.dst=dst;
			this.cost=cost;
		}
	}
	
	void run() {
		FastScanner sc=new FastScanner();
		PrintWriter pw=new PrintWriter(System.out);
		int N=sc.nextInt();
		int M=sc.nextInt();
		ArrayList<Edge>[] g=new ArrayList[N];
		ArrayList<Edge>[] g_rev=new ArrayList[N];
		for (int i=0;i<N;++i) {
			g[i]=new ArrayList<>();
			g_rev[i]=new ArrayList<>();
		}
		int[] t_quick=new int[N];
		int[] t_lazy=new int[N];
		Arrays.fill(t_lazy, Integer.MAX_VALUE/3);
		int[] in_deg=new int[N];
		int[] out_deg=new int[N];
		for (int i=0;i<M;++i) {
			int a=sc.nextInt();
			int b=sc.nextInt();
			int c=sc.nextInt();
			g[a].add(new Edge(a,b,c));
			g_rev[b].add(new Edge(b,a,c));
			++in_deg[b];
			++out_deg[a];
		}
		Queue<Integer> que=new ArrayDeque<>();
		que.add(0);
		while (!que.isEmpty()) {
			int v=que.poll();
			for (Edge e:g[v]) {
				t_quick[e.dst]=Math.max(t_quick[e.dst], t_quick[e.src]+e.cost);
				--in_deg[e.dst];
				if (in_deg[e.dst]==0) que.add(e.dst);
			}
		}
		t_lazy[N-1]=t_quick[N-1];
		que.add(N-1);
		while(!que.isEmpty()) {
			int v=que.poll();
			for (Edge e:g_rev[v]) {
				t_lazy[e.dst]=Math.min(t_lazy[e.dst], t_lazy[v]-e.cost);
				--out_deg[e.dst];
				if (out_deg[e.dst]==0) que.add(e.dst);
			}
		}
		int free=0;
		for (int i=0;i<N;++i) if (t_lazy[i]>t_quick[i]) ++free;
		System.out.println(t_quick[N-1]+" "+free+"/"+N);
		pw.close();
	}
	
	void tr(Object...objects) {System.out.println(Arrays.deepToString(objects));}
	
    public static void main(String[] args) {
    	new Main().run();
    }
}




class FastScanner {
    private final InputStream in = System.in;
    private final byte[] buffer = new byte[1024];
    private int ptr = 0;
    private int buflen = 0;
    private boolean hasNextByte() {
        if (ptr < buflen) {
            return true;
        }else{
            ptr = 0;
            try {
                buflen = in.read(buffer);
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (buflen <= 0) {
                return false;
            }
        }
        return true;
    }
    private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1;}
    private static boolean isPrintableChar(int c) { return 33 <= c && c <= 126;}
    private void skipUnprintable() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++;}
    public boolean hasNext() { skipUnprintable(); return hasNextByte();}
    public String next() {
        if (!hasNext()) throw new NoSuchElementException();
        StringBuilder sb = new StringBuilder();
        int b = readByte();
        while(isPrintableChar(b)) {
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    }
    public long nextLong() {
        if (!hasNext()) throw new NoSuchElementException();
        long n = 0;
        boolean minus = false;
        int b = readByte();
        if (b == '-') {
            minus = true;
            b = readByte();
        }
        if (b < '0' || '9' < b) {
            throw new NumberFormatException();
        }
        while(true){
            if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            }else if(b == -1 || !isPrintableChar(b)){
                return minus ? -n : n;
            }else{
                throw new NumberFormatException();
            }
            b = readByte();
        }
    }
    public int nextInt() {
    	return (int)nextLong();
    }
}