#include<stdio.h>
#include<vector>
#include<queue>
#include<bitset>
#define Nmax 50001
#define INF  0x3f3f3f3f
using namespace std;

int N,M,S,nr_in_q[Nmax],d[Nmax];
vector< pair<int,int> > G[Nmax];
bitset<Nmax> in_q;
void read()
{
    FILE*f = fopen("bellmanford.in","r");

    fscanf(f,"%d%d",&N,&M);

    int i,x,y,c;
    S=1;
    for(i=1;i<=M;++i)
    {
        fscanf(f,"%d%d%d",&x,&y,&c);
        G[x].push_back( make_pair(y,c) );
    }
    fclose(f);
}
int bellman_ford(int S)
{
    int i;
    fill(d+1,d+N+1,INF);
    d[S] = 0;
    queue<int> Q;
    Q.push(S);in_q[S] = true;
    bool negative = false;
    int nod;
    while(!Q.empty() && negative == false)
    {
        nod = Q.front();
        Q.pop();
        in_q[nod] = false;
        for(vector< pair<int,int> >::iterator it = G[nod].begin(); it != G[nod].end();++it)
        {
            if( d[ it->first ] > d[nod] + it->second )
            {
                d[ it->first ] = d[nod] + it->second;
                if(in_q[it->first] == false)
                {
                    if(nr_in_q[it->first] > N)
                        negative = true;
                    else
                    {
                        Q.push(it->first);
                        in_q[it->first] = true;
                        ++nr_in_q[it->first];
                    }
                }
            }
        }
    }
    return negative;
}
int main()
{
    read();

    FILE*g = fopen("bellmanford.out","w");
    int i;


    if(bellman_ford(S))
        fprintf(g,"Ciclu negativ!");
    else
        for(i=2;i<=N;++i)
            fprintf(g,"%d ",d[i]);
    fclose(g);
    return 0;
}