#include <cstdio>
#include <vector>
#define INF 0xfffffff
using namespace std;

vector<pair<int,int> >g[50005];
int d[50005],n,m;

void bellman(){
    int y;
    bool ok;
    for(int i=2;i<=n;i++) d[i] = INF;
    for(int i=2;i<=n;i++)
    {
        ok = false;
        for(int j=1;j<=n;j++)
        for(int x=0;x<g[j].size();x++)
        {
            y = g[j][x].first;
            if(d[y] > d[j]+g[j][x].second) d[y]=d[j]+g[j][x].second , ok = 1;
        }
    }
    if(ok) printf("Ciclu negativ!"); else
    for(int i=2;i<=n;i++)printf("%d ",d[i]);
}

int main(){
    int x,y,z;
    freopen("bellmanford.in","r",stdin);
    freopen("bellmanford.out","w",stdout);
        scanf("%d %d",&n,&m);

        for(int i=0;i<m;i++)
        {
            scanf("%d %d %d",&x,&y,&z);
            g[x].push_back( make_pair(y,z) );
        }
    bellman();
    return 0;
}