#include <bits/stdc++.h>

using namespace std;
ifstream in("bellmanford.in");
ofstream out("bellmanford.out");
const int nx=50002;
int dist[nx];
int viz[nx];
int n,m,i,j,c;
struct arc
{
    int d;
    int c;
};
vector < arc > v[nx];
void bellman_ford()
{
    dist[1]=0;
    for(int i=2; i<=n; i++)
        dist[i]=INT_MAX;
    queue < int > q;
    q.push(1);
    while(!q.empty())
    {
        int x=q.front();
        viz[x]++;
        if(viz[x]==n)
        {
            out<<"Ciclu negativ!";
            return;
        }
        q.pop();
        for(vector < arc > :: iterator it=v[x].begin(); it!=v[x].end(); it++)
            if(dist[it->d]>dist[x]+it->c)
            {
                dist[it->d]=dist[x]+it->c;
                q.push(it->d);
            }
    }
    for(int i=2; i<=n; i++)
        out<<dist[i]<<' ';
}
int main()
{
    in>>n>>m;
    for(;m;m--)
    {
        in>>i>>j>>c;
        v[i].push_back({j,c});
    }
    bellman_ford();
    return 0;
}