#include <bits/stdc++.h>

using namespace std;
ifstream fin("bellmanford.in");
ofstream fout("bellmanford.out");
#define pb push_back
#define x first
#define y second
#define pii pair<int,int>
const int Nmax = 50000 + 5;
int n, m, dp[Nmax], viz[Nmax];
bool inq[Nmax], ok;
vector<pii>v[Nmax];
queue<int>q;

int main()
{
    fin >> n >> m;
    for(int i = 1, a, b, c; i <= m; ++i)
    {
        fin >> a >> b >> c;
        v[a].pb({b, c});
    }
    for(int i = 1; i <= n; ++i)
        dp[i] = 1 << 30;

    dp[1] = 0; inq[1] = 1;
    q.push(1);
    while(!q.empty())
    {
        int nod = q.front();
        viz[nod] ++;
        if(viz[nod] > n - 1)
        {
            ok = 1;
            break;
        }
        inq[nod] = 0;
        q.pop();

        for(auto i : v[nod])
        {
            if(dp[i.x] > dp[nod] + i.y)
            {
                dp[i.x] = dp[nod] + i.y;
                if(!inq[i.x])q.push(i.x), inq[i.x] = 1;
            }
        }
    }
    if(ok)
        fout << "Ciclu negativ!";
    else
    {
        for(int i = 2; i <= n; ++i)
            fout << dp[i] << ' ';
    }
    return 0;
}