using System;
using System.Linq;
using System.Collections.Generic;
using System.Text;

public class Program
{
    public void Proc() {
        Reader.IsDebug = false;
        int[] inpt = Reader.ReadLine().Split(' ').Select(a=>int.Parse(a)).ToArray();

        this.MemberCount = inpt[0];
        this.PathCount = inpt[1];
        this.maxCost = new long[this.MemberCount].Select(a=>(long)-1).ToArray();
        this.minCost.Add(0,0);

        for(int i=0; i<this.PathCount; i++) {
            inpt = Reader.ReadLine().Split(' ').Select(a=>int.Parse(a)).ToArray();
            if(!this.PathDic.ContainsKey(inpt[0])) {
                this.PathDic.Add(inpt[0], new Dictionary<int, int>());
            }
            this.PathDic[inpt[0]].Add(inpt[1], inpt[2]);

            if(!this.PathRev.ContainsKey(inpt[1])) {
                this.PathRev.Add(inpt[1], new Dictionary<int, int>());
            }
            this.PathRev[inpt[1]].Add(inpt[0], inpt[2]);
        }

        Queue<int> que = new Queue<int>();
        que.Enqueue(0);
        while(que.Count > 0) {
            int cur = que.Dequeue();
            long step = this.minCost[cur];

            if(cur == this.MemberCount - 1) {
                continue;
            }

            this.PathDic[cur].ToList().ForEach(nv=>{
                long nextStep = step + nv.Value;
                if(minCost.ContainsKey(nv.Key) && minCost[nv.Key] >= nextStep) {
                } else {
                    minCost[nv.Key] = nextStep;
                    que.Enqueue(nv.Key);
                }
            });
        }

        this.maxCost[this.MemberCount-1] = minCost[this.MemberCount-1];
        this.maxCost[0] = 0;

        que.Enqueue(this.MemberCount-1);
        while(que.Count > 0) {
            int cur = que.Dequeue();

            long step = this.maxCost[cur];
            foreach(KeyValuePair<int,int> item in this.PathRev[cur]) {
                long nextStep = step-item.Value;
                if(item.Key == 0) {
                    continue;
                }
                if(this.maxCost[item.Key] == -1 || maxCost[item.Key] > nextStep) {
                    this.maxCost[item.Key] = nextStep;
                    que.Enqueue(item.Key);
                }
            }
        }

        string ans = minCost[this.MemberCount-1] + " " + minCost.Count(a=>a.Value != maxCost[a.Key]) + "/" + this.MemberCount;
        Console.WriteLine(ans);

    }

    private Dictionary<int, Dictionary<int, int>> PathDic = new Dictionary<int, Dictionary<int, int>>();
    private Dictionary<int, Dictionary<int, int>> PathRev = new Dictionary<int, Dictionary<int, int>>();

    private Dictionary<int, long> minCost = new Dictionary<int, long>();
    private long[] maxCost;

    private int MemberCount;
    private int PathCount;

    public class Reader {
        public static bool IsDebug = true;
        private static System.IO.StringReader SReader;
        private static string InitText = @"



8 12
0 1 3
0 2 3
1 3 3
1 4 3
2 3 3
2 4 3
3 5 3
3 6 3
4 5 3
4 6 3
5 7 3
6 7 3


";
        public static string ReadLine() {
            if(IsDebug) {
                if(SReader == null) {
                    SReader = new System.IO.StringReader(InitText.Trim());
                }
                return SReader.ReadLine();
            } else {
                return Console.ReadLine();
            }
        }
    }
    public static void Main(string[] args)
    {
        Program prg = new Program();
        prg.Proc();
    }
}