#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define REP(i, n)           for(int(i)=0;(i)<(n);++(i))
#define FOR(i, f, t)        for(int(i)=(f);(i)<(t);(++i))
typedef vector<int> VI;
typedef vector<VI> VVI;
const int MOD = int(1e9+9);

int N,M;
int k[55],kk[55];
VVI m(55,VI(55));

unsigned int xor128(void) {
    static unsigned int x=123456789,y=362436069,z=521288629,w=88675123;
    unsigned int t=(x^(x<<11));x=y;y=z;z=w; return( w=(w^(w>>19))^(t^(t>>8)) );
}

int score(){
    int sc = 0;
    REP(i,N) FOR(j,i+1,N){
        sc += m[k[i]][k[j]];
    }
    return sc;
}

int main(){
    cin >> N >> M;

    REP(i,M){
        int a,b,c;
        cin >> a >> b >> c;
        m[a][b] = c;
    }

    REP(i,N) k[i] = kk[i] = i;
    int sc = score();

    clock_t t = clock() + CLOCKS_PER_SEC * 4;
    while(t >= clock()){
        int i = xor128() % N;
        int j = xor128() % N;
        if(i == j) continue;
        swap(k[i],k[j]);
        int s = score();
        if(sc < s){
            sc = s;
            REP(i,N) kk[i] = k[i];
        }
    }

    cout << sc << endl;
    REP(i,N) cout << kk[i] << " ";
    return 0;
}