#include <iostream>
#include <fstream>
#include <vector>
#include <queue>

using namespace std;

ifstream fin("bellmanford.in");
ofstream fout("bellmanford.out");

const int MAX=5e5+5;
const int INF=1e9;
int n,m,a,b,c,dist[MAX],ciclu[MAX];
struct T
{
    int nod,dist;
};
queue < int > q;
vector < T > v[MAX];

int main()
{
    fin >> n >> m;
    while(m--)
    {
        fin >> a >> b >> c;
        v[a].push_back({b,c});
    }
    for(int i=2;i<=n;i++)
        dist[i]=INF;
    dist[1]=0;
    q.push(1);
    while(!q.empty())
    {
        int nod=q.front();
        ciclu[nod]++;
        if(ciclu[nod]>n)
        {
            fout << "Ciclu negativ!";
            return 0;
        }
        for(auto vec : v[nod])
            if(dist[vec.nod]>dist[nod]+vec.dist)
            {
                dist[vec.nod]=dist[nod]+vec.dist;
                q.push(vec.nod);
            }
        q.pop();
    }
    for(int i=2;i<=n;i++)
        fout << (dist[i]==INF?-1:dist[i]) << " ";
	return 0;
}