#include <fstream>

using namespace std;

ifstream f("bellmanford.in");
ofstream g("bellmanford.out");

int n,m,x[250003],y[250003],cost[250003],t[50003],dist[50003],c[1000003],viz[50003];
const int inf=2e9;

int main()
{
    int i,j,inc,sf,nc;
    f >> n >> m;
    for (i=1;i<=m;i++)
        f >> x[i] >> y[i] >> cost[i];
    for (i=1;i<=n;i++)
        dist[i]=inf;
    dist[1]=0;
    viz[1]=c[1]=inc=sf=1;
    while (inc<=sf)
    {
        nc=c[inc];
        for (i=1;i<=m;i++)
            if (dist[x[i]]+cost[i]<dist[y[i]])
            {
                dist[y[i]]=dist[x[i]]+cost[i];
                if (!viz[y[i]])
                {
                    viz[y[i]]=1;
                    c[++sf]=y[i];
                }
            }
        viz[nc]=0;
        inc++;
    }
    for (i=1;i<=m;i++)
        if (dist[y[i]]>dist[x[i]]+cost[i])
        {
            g << "Ciclu negativ!";
            return 0;
        }
    for (i=2;i<=n;i++)
        g << dist[i] << ' ';
    return 0;
}