#include <bits/stdc++.h>

using namespace std;

const int dim1 = 50010;
const int dim2 = 250010;
const int oo = (int) (1e9);

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

struct muchie
{
    int x, y, c;
};

int n, m, dist[dim1];
bool ok;
muchie muchii[dim2];

void read()
{
    in>>n>>m;
    int x, y, c;
    for(int i = 1;i <= m;i++)
    {
        in>>x>>y>>c;
        muchii[i].x = x;
        dist[x] = oo;
        muchii[i].y = y;
        dist[y] = oo;
        muchii[i].c = c;
    }
}

bool bellmanford()
{
    dist[1] = 0;
    bool c = true;
    for(int i = 1;i < n && c;i++)
    {
        c = false;
        for(int j = 1;j <= m;j++)
        {
            if(dist[muchii[j].y] > dist[muchii[j].x] + muchii[j].c)
            {
                dist[muchii[j].y] = dist[muchii[j].x] + muchii[j].c;
                c = true;
            }
        }
    }
    for(int i = 1;i <= m;i++)
    {
        if(dist[muchii[i].y] > dist[muchii[i].x] + muchii[i].c)
            return false;
    }
    return true;
}

void print()
{
    if(!ok)
        out<<"Ciclu negativ!"<<'\n';
    else
        for(int i = 2;i <= n;i++)
            out<<dist[i]<<' ';
}

int main()
{
    read();
    ok = bellmanford();
    print();
    return 0;
}