#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define pf push_front
#define MOD 1000000007
#define NMAX 50005

using namespace std;

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

struct A
{
    int y, cost;
};

vector < A > v[NMAX];
set < int > s;

int main()
{
    ios_base::sync_with_stdio(false), cin.tie(0),cout.tie(0);
    int n, m, x, y, z, i, nr[NMAX], r[NMAX];

    fin >> n >> m;
    while(m--)
    {
        fin >> x >> y >> z;
        v[x].pb({y, z});
    }

    for(i = 1; i <= n; i++) nr[i] = 0, r[i] = INT_MAX;
    r[1] = 0, s.insert(1);
    while(s.empty() == 0)
    {
        x = *s.begin(), s.erase(s.begin());

        nr[x]++;
        if(nr[x] == n)
        {
            fout << "Ciclu negativ!";
            break;
        }
        else for(auto it:v[x]) if(r[x] + it.cost < r[it.y]) r[it.y] = r[x] + it.cost, s.insert(it.y);
    }

    if(nr[x] != n) for(i = 2; i <= n; i++) fout << r[i] << ' ';


    return 0;
}