#include<stdio.h>
#include<queue>
#include<vector>
using namespace std;

typedef struct nod
{
    int x,c;
}nod;

queue <int> q;
vector <nod> v[50002];
nod aux;
int n,f[50002],viz[50002],sol=1;

void rez()
{
    int i,x,nr;
    while(!q.empty())
    {
        x=q.front();
        nr=v[x].size();
        q.pop();
        for(i=0;i<nr;++i)
        {
            if(f[x]+v[x][i].c<f[v[x][i].x])
            {
                ++viz[v[x][i].x];
                if(viz[v[x][i].x]>n)
                    sol=0;
                f[v[x][i].x]=f[x]+v[x][i].c;
                q.push(v[x][i].x);
            }
        }
    }
}

int main()
{
    freopen("bellmanford.in","r",stdin);
    freopen("bellmanford.out","w",stdout);

    int m,x,y,i;
    scanf("%d%d",&n,&m);
    for(i=1;i<=m;++i)
    {
        scanf("%d%d%d",&x,&y,&aux.c);
        aux.x=y;
        v[x].push_back(aux);
        aux.x=x;
        //v[y].push_back(aux);
    }

    for(i=2;i<=n;++i)
        f[i]=2000000000;

    q.push(1);
    rez();

    if(sol)
    {
        for(i=2;i<=n;++i)
            if(f[i]==2000000000)
                printf("0 ");
            else
                printf("%d ",f[i]);
    }
    else
        printf("Ciclu negativ!");
    printf("\n");
    return 0;
}