#include<fstream>
using namespace std;

ifstream cin("bellmanford.in");
ofstream cout("bellmanford.out");

pair<int, pair<int, int>> muchi[250001]; /// const, nod1, nod2
long long dmin[50001];

int main()
{
    int n, m;
    cin>>n>>m;
    dmin[1] = 0;
    for(int i=2; i<=n; i++)
    {
        dmin[i] = 1e18;
    }
    for(int i=1; i<=m; i++)
    {
        int x, y, c;
        cin>>x>>y>>c;
        muchi[i].first = c;
        muchi[i].second.first = x;
        muchi[i].second.second = y;
    }
    for(int i=1; i<n; i++)
    {
        for(int j=1; j<=m; j++)
        {
            int x, y, c;
            c = muchi[j].first;
            x = muchi[j].second.first;
            y = muchi[j].second.second;
            if(dmin[x] + c < dmin[y])
                dmin[y] = dmin[x] + c;
        }
    }
    bool pp = 0;
    for(int j=1; j<=m && pp==0; j++)
    {
        int x, y, c;
        c = muchi[j].first;
        x = muchi[j].second.first;
        y = muchi[j].second.second;
        if(dmin[x] + c < dmin[y])
            pp = 1;
    }
    if(pp == 1)
        cout<<"Ciclu negativ!";
    else
    {
        for(int i=2; i<=n; i++)
            cout<<dmin[i]<<" ";
    }
    return 0;
}