#include<stdio.h>
const int N=50001;
struct P
{
    int x,y;
    P *u;
};
P *g[N],*p;
int m,n,i,k,l,r,d[N],e[7*N],v[N],u[N];
int main()
{
    freopen("bellmanford.in","r",stdin),freopen("bellmanford.out","w",stdout),scanf("%d%d",&n,&m);
    while(m--)
    {
        scanf("%d%d%d",&k,&l,&r);
        p=new P;
        p->x=l,p->y=r,p->u=g[k],g[k]=p;
    }
    for(i=2;i<=n;i++)
        d[i]=N;
    for(k=l=r=0,e[r++]=v[1]=1;l<r&&!k;)
        for(i=e[l++],v[i]=0,p=g[i];p&&!k;p=p->u)
            if(d[p->x]>d[i]+p->y)
            {
                d[p->x]=d[i]+p->y;
                if(!v[p->x])
                    if(u[p->x]>n)
                        k=1;
                    else
                        e[r++]=p->x,v[p->x]=1,u[p->x]++;
            }
    if(k)
        printf("Ciclu negativ!");
    else
        for(i=2;i<=n;i++)
            printf("%d ",d[i]);
}