#include <bits/stdc++.h>
# define INF 0x3f3f3f3f
#define nmax 50002
using namespace std;
ifstream f("bellmanford.in");
ofstream g("bellmanford.out");
int n,m,x,y,cost,ok,dist[nmax],nr,viz[nmax];
vector< pair<int, int> > v[nmax];
queue<int> c;
int main()
{
    f>>n>>m;
    for(int i=1;i<=m;i++)
    {
        f>>x>>y>>cost;
        v[x].push_back(make_pair(y,cost));
    }

    memset(dist,INF,sizeof(dist));
    dist[1]=0;
    c.push(1);
    while(!c.empty())
    {
        nr=c.front();
        c.pop();
        viz[nr]++;
        if(viz[nr]==n)
        {
            g<<"Ciclu negativ!"<<'\n';
            ok=1;
            break;
        }
        for(int i=0;i<v[nr].size();i++)
        if(dist[v[nr][i].first]>dist[nr]+v[nr][i].second)
        {
            dist[v[nr][i].first]=dist[nr]+v[nr][i].second;
            c.push(v[nr][i].first);
        }
    }
    if(!ok)
    {
        for(int i=2;i<=n;i++)
            if(dist[i]==INF) g<<"0"<<" ";
        else g<<dist[i]<<" ";
        g<<'\n';
    }
    return 0;
}