#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
#define inf 250000010
#define f first
#define s second
#define lung long long
using namespace std;
ifstream fin("bellmanford.in");
ofstream fout("bellmanford.out");
vector < pair<lung,lung> > v[50010];
queue < pair<lung,lung> > q;
pair <lung,lung> p;
lung rez[50010],N,M,viz[50010],ok;
int main()
{
    int x,y,c,i;
    fin>>N>>M;
    for(i=1; i<=M; i++)
    {
        fin>>x>>y>>c;
        v[x].push_back(make_pair(c,y));
    }
    for(i=1; i<=N; i++)
    {
        rez[i]=inf;
        viz[i]=0;
    }
    rez[1]=0;
    for(auto it:v[1])
    {
        q.push(it);
    }
    ok=0;
    while(!q.empty()&&ok==0)
    {
        p=q.front();
        q.pop();
        if(p.f<rez[p.s])
        {
            rez[p.s]=p.f;
            viz[p.s]++;
            if(viz[p.s]!=N)
            {
                for(auto it:v[p.s])
                    q.push(make_pair(p.f+it.f,it.s));
            }
            else
            {
                ok=1;
            }
        }
    }
    if(ok==1)
        fout<<"Ciclu negativ!";
    else
    {
        for(i=2;i<=N;i++)
            fout<<rez[i]<<" ";
    }
}