#include <fstream>
#define inf 1000000000
using namespace std;

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

long n, m, cost[50010], cn = 0;
struct muchie{
    long a, b, c;
} muchii[250010];

int main() {
    f >> n >> m;
    for(int i = 1; i <= m; i++)
        f >> muchii[i].a >> muchii[i].b >> muchii[i].c;

    cost[1] = 0;
    for(int i = 2; i <= n; i++)
        cost[i] = inf;

    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= m; j++)
            if(cost[muchii[j].a] + muchii[j].c < cost[muchii[j].b])
                cost[muchii[j].b] = cost[muchii[j].a] + muchii[j].c;

    for(int i = 1; i <= m; i++)
        if(cost[muchii[i].a] + muchii[i].c < cost[muchii[i].b]) {
            g << "Ciclu negativ!";
            cn = 1;
            break;
        }
    if(!cn)
        for(int i = 2; i <= n; i++)
            g << cost[i] << ' ';
}