#include <iostream>
#include <cstdio>
#include <vector>
#include <queue>
#include <bitset>
#define inf 10000000

using namespace std;

int n,m,c,dist[50050],viz[50050];

vector <pair <int ,int > > v[50050];

queue < int > q;

void read()
{    int x,y,c;
    scanf("%d%d",&n,&m);

     for (int i=2;i<=n;++i)
        dist[i]=inf;

    q.push(1);

    for(int i=1;i<=m;i++)
    {scanf("%d%d%d",&x,&y,&c);
     v[x].push_back(make_pair(y,c));
    }

}

void bell()
{
    while(!q.empty())
   {
    int b=q.front()
    q.pop();

for(vector <pair<int ,int > > :: iterator it=v[b].begin();it!=v[b].end();++it)
    {
        if(dist[b]+it->second < dist[it->first])
        {
            dist[it->first]=dist[b]+it->second;
            viz[it->first]++;

            if(viz[it->first] > n)
            {
                printf("Ciclu negativ!");
                return;
            }
            q.push(it->first));
        }
    }
}
        for (int i=2; i<=n; ++i)
            printf("%d ",dist[i]);
}


int main()
{
    freopen("bellmanford.in","r",stdin);
    freopen("bellmanford.out","w",stdout);
    read();
    bell();
    return 0;
}