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

using namespace std;

struct path
{
    int dest, cost;

    path( int _dest, int _cost )
    {
        dest = _dest;
        cost = _cost;
    }
};

# define MAX_N 50000
vector<path> v[1 + MAX_N];
bool check[1 + MAX_N];
int dist[1 + MAX_N];
int cnt[1 + MAX_N];

# define undefined 1000000000

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

    ios::sync_with_stdio( false );

    int n, m, i, a, b, c;

    fin >> n >> m;

    for ( i = 0; i < m; i ++ ) {
        fin >> a >> b >> c;
        v[a].push_back( path( b, c ) );
    }

    queue<int> bellman;
    bellman.push( 1 );

    dist[1] = 0;
    for ( i = 2; i <= n; i ++ )
        dist[i] = undefined;

    while ( bellman.size() && cnt[bellman.front()] <= n ) {
        int t = bellman.front();
        bellman.pop();
        cnt[t] ++;
        check[t] = false;

        for ( path p : v[t] )
            if ( p.cost + dist[t] < dist[p.dest] ) {
                dist[p.dest] = dist[t] + p.cost;
                if ( !check[p.dest] ) {
                    bellman.push( p.dest );
                    check[p.dest] = true;
                }
            }
    }

    bool negative_cycle = ( bellman.size() > 0 );

    if ( negative_cycle )
        fout << "Ciclu negativ!";
    else
        for ( i = 2; i <= n; i ++ )
            fout << dist[i] << ' ';

    fin.close();
    fout.close();

    return 0;
}