#include<fstream>
#include<vector>
#include<queue>
#define NMAX 50001
#define oo 100000001
#define pb push_back
#define mp make_pair
using namespace std;
ifstream in("bellmanford.in");
ofstream out("bellmanford.out");
int N,M,x,y,c,vec,cost,nod,d[NMAX],nr[NMAX];
bool ok=0;
vector<pair<int,int> >matrix[NMAX];
queue<int>q;
int main()
{
    int i;
    in>>N>>M;
    for(i=0;i<M;i++)
    {
        in>>x>>y>>c;
        matrix[x].pb(mp(y,c));
    }
    for(i=2;i<=N;i++)
        d[i]=oo;
    d[1]=0;
    q.push(1);
    while(!q.empty()&!ok)
    {
        nod=q.front();
        q.pop();
        for(i=0;i<matrix[nod].size();i++)
        {
            vec=matrix[nod][i].first;
            cost=matrix[nod][i].second;
            if(cost+d[nod]<d[vec])
            {
                d[vec]=cost+d[nod];
                nr[nod]++;
            if(nr[nod]==N)
                ok=1;
            else
                q.push(vec);
            }
        }
    }
    if(ok)
        out<<"Ciclu negativ!";
    else
        for(i=2;i<=N;i++)
            out<<d[i]<<" ";
}