#include <iostream>
#include <fstream>
using namespace std;

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

const int NMAX = 100005;
const int MMAX = 250005;
const int INF = 1e9;
int n, m, dist[NMAX];
struct muchie {
    int x, y, c;
};
muchie a[MMAX];
int main()
{
    f >> n >> m;
    for(int i = 1; i <= m; i++) {
        f >> a[i].x >> a[i].y >> a[i].c;
    }
    for(int i = 1; i <= n; i++) {
        dist[i] = INF;
    }
    dist[1] = 0;
    for(int i = 1; i <= n - 1; i++) {
        for(int j = 1; j <= m; j++) {
            if(dist[a[j].x] + a[j].c < dist[a[j].y]) {
                dist[a[j].y] = dist[a[j].x] + a[j].c;
            }
        }
    }
    for(int i = 1; i <= m; i++) {
        if(dist[a[i].x] + a[i].c < dist[a[i].y]) {
            g << "Ciclu negativ!";
            return 0;
        }
    }
    for(int i = 2; i <= n; i++) {
        g << dist[i] << ' ';
    }
    return 0;
}