#include<cstdio>
#include<vector>
using namespace std;
#define INF 0x3f3f3f3f
vector < pair <int,int> > v[50005];
int n,m,nr,x,y,c,D[50005];
bool ok=true;
int main()
{
    int i,j;
    freopen("bellmanford.in","r",stdin);
    freopen("bellmanford.out","w",stdout);
    scanf("%d%d",&n,&m);
    for (i=2;i<=n;++i)
        D[i]=INF;
    for (i=1;i<=m;++i)
    {
        scanf("%d%d%d",&x,&y,&c);
        v[x].push_back(make_pair(y,c));
        if (x==1) D[y]=c;
    }
    while (ok)
    {
        ++nr;
        ok=false;
        for (i=2;i<=n;++i)
            for (j=0;j<v[i].size();++j)
                if (D[v[i][j].first]>D[i]+v[i][j].second)
                {
                    ok=true;
                    D[v[i][j].first]=D[i]+v[i][j].second;
                }
        if (nr>=n) ok=false;
    }
    if (nr>=n)
        printf("Ciclu negativ!\n");
    else
    {
        for (i=2;i<=n;++i)
            printf("%d ",D[i]);
        printf("\n");
    }
    return 0;
}