#include <iostream>
#include <vector>
#include <algorithm>
#include <tuple>
#include <map>

using namespace std;

typedef tuple<int, int> itup;
typedef map<itup, int> cmap;
typedef vector<int> ivec;

cmap cost;
ivec r[100000], s[100000], buf1(100000), buf2(100000), *tmp1 = &buf1, *tmp2 = &buf2, *tmp3;
unsigned t1[100000], c1[100000], t2[100000], c2[100000];

int main() {
    int n, m;
    cin >> n >> m;
    
    for (int i = 0; i < m; i++) {
        int a, b, c;
        cin >> a >> b >> c;
        r[a].push_back(b);
        s[b].push_back(a);
        cost[{a, b}] = c;
    }
    
    for (int i = 0; i < n; i++) c2[i] = 16000000;
    
    tmp1->push_back(0);
    while (tmp1->size()) {
        tmp2->clear();
        for (auto it=tmp1->begin();it!=tmp1->end();it++) {
            auto a=*it;
            auto ca=c1[a];
            auto hnd=&r[a];
            for (auto bp=hnd->begin();bp!=hnd->end();bp++) {
                auto b=*bp;
                c1[b] = max(c1[b], ca + cost[{a,b}]);
                t1[b]++;
                if (t1[b] == s[b].size()) tmp2->push_back(b);
            }
        }
        
        tmp3=tmp1;tmp1=tmp2;tmp2=tmp3;
    }
    
    c2[n - 1] = c1[n - 1];
    tmp1->clear();
    tmp1->push_back(n - 1);
    while (tmp1->size()) {
        tmp2->clear();
        for (auto it=tmp1->begin();it!=tmp1->end();it++) {
            auto b=*it;
            auto cb=c2[b];
            auto hnd=&s[b];
            for (auto ap=hnd->begin();ap!=hnd->end();ap++) {
                auto a=*ap;
                c2[a] = min(c2[a], cb - cost[{a,b}]);
                t2[a]++;
                if (t2[a] == r[a].size()) tmp2->push_back(a);
            }
        }
        
        tmp3=tmp1;tmp1=tmp2;tmp2=tmp3;
    }
    
    int p = 0;
    for (int i = 0; i < n; i++) {
        if (c1[i] != c2[i]) p++;
    }
    
    cout << c1[n - 1] << ' ' << p << '/' << n << endl;
    
    // for(int i = 0; i < n; i++)cout << i << ':' << c1[i] << ',' << c2[i] << endl;
    
    return 0;
}