#include <bits/stdc++.h>
using namespace std;
typedef signed long long ll;

#undef _P
#define _P(...) (void)printf(__VA_ARGS__)
#define FOR(x,to) for(x=0;x<to;x++)
#define FORR(x,arr) for(auto& x:arr)
#define ITR(x,c) for(__typeof(c.begin()) x=c.begin();x!=c.end();x++)
#define ALL(a) (a.begin()),(a.end())
#define ZERO(a) memset(a,0,sizeof(a))
#define MINUS(a) memset(a,0xff,sizeof(a))
//-------------------------------------------------------

int N,M;
int mat[51][51];

void solve() {
    int i,j,k,l,r,x,y; string s;
    
    cin>>N>>M;
    while(M--) {
        cin>>x>>y>>r;
        mat[x][y]=r;
    }
    
    int ma=-1;
    int cur[51];
    int pat[51];
    FOR(i,N) cur[i]=i;
    
    srand(time(NULL));
    FOR(i,1000000) {
        random_shuffle(cur,cur+N);
        int tot=0;
        FOR(y,N) FOR(x,y) tot+=mat[cur[x]][cur[y]];
        if(tot>ma) {
            ma=tot;
            FOR(j,N) pat[j]=cur[j];
        }
    }
    
    _P("%d\n",ma);
    FOR(i,N) _P("%d%c",pat[i],(i==N-1)?'\n':' ');
    
}


int main(int argc,char** argv){
    string s;int i;
    if(argc==1) ios::sync_with_stdio(false);
    FOR(i,argc-1) s+=argv[i+1],s+='\n';
    FOR(i,s.size()) ungetc(s[s.size()-1-i],stdin);
    solve(); return 0;
}