#include <bits/stdc++.h>
#define pb push_back
#define ppb pop_back
#define pf push_front
#define ppf pop_front
#define ll long long
#define sz size

using namespace std;

    ifstream fin("bellmanford.in");
    ofstream fout("bellmanford.out");
/*const long long mod = 998244353;
long long fct[200005],invfct[200005],inv[200005];
long long put2[200005];
long long lgput (long long a, long long exp)
{
    long long rz=1;
    while(exp)
        if(exp&1)
            exp^=1,rz=rz*1LL*a%mod;
        else
            exp>>=1,a=a*1LL*a%mod;
    return rz;
}
long long cmb (long long n, long long k)
{
    if(n<k || k<0 || n<0)
        return 0;
    return fct[n]*1LL*invfct[k]%mod*1LL*invfct[n-k]%mod;
}
void init ()
{
    inv[1]=fct[0]=fct[1]=invfct[0]=invfct[1]=put2[0]=1,put2[1]=2;
    for(long long i=2;i<=200000;++i)
        put2[i]=put2[i-1]*2LL%mod,inv[i]=(mod-mod/i)*1LL*inv[mod%i]%mod,fct[i]=i*1LL*fct[i-1]%mod,invfct[i]=inv[i]*1LL*invfct[i-1]%mod;
}
long long v[200005];*/
//long long
const int inf=1<<30;
struct edge{
    int to,cost;
};
vector<edge> v[50005];
//bool inq[50005];
int d[50005],cnt[50005];
queue<int> q;

void solve()
{
    int n,m;
    fin>>n>>m;
    d[1]=0;
    for(int i=2;i<=n;i++)
        d[i]=inf;
    for(int i=1;i<=m;i++)
    {
        int x,y,c;
        fin>>x>>y>>c;
        v[x].pb({y,c});
    }
    q.push(1);
    while(!q.empty())
    {
        int nod=q.front();
        q.pop();
        for(auto it:v[nod])
        {
            int dist=d[nod]+it.cost;
            if(dist<d[it.to])
            {
                cnt[it.to]++;
                d[it.to]=dist;
                if(cnt[it.to]>n-1)
                {
                    fout<<"Ciclu negativ!";
                    return;
                }
                q.push(it.to);
            }
        }
    }
    for(int i=2;i<=n;i++)
        fout<<d[i]<<" ";
}
int main()
{
    solve();
    return 0;
}