#include <iostream>
#include <fstream>

using namespace std;

ifstream in("bellmanford.in");
ofstream out("bellmanford.out");

const int N = 50001;
const int M = 250001;
const int INF = 5000001;
int n, m, st, dr, nr, d[N], lst[N], vf[M], urm[M], cst[M], q[N+2], nrq[N];
bool inq[N];
bool exitp = false;

void adauga(int x, int y, int c){
    vf[++nr] = y;
    cst[nr] = c;
    urm[nr] = lst[x];
    lst[x] = nr;
}

void adauga_q(int x){
    if(inq[x]){
        return;
    }
    if(dr == N + 1){
        dr = 0;
    }
    else{
        dr++;
    }
    q[dr] = x;
    inq[x] = true;
    nrq[x] ++;
}

int main(){
    int x, y, c;
    in>>n>>m;
    for(int i=1; i<=m; i++){
        in>>x>>y>>c;
        adauga(x, y, c);
    }

    for(int i=1; i<=n; i++)
        d[i] = INF;
    adauga_q(1);
    d[1] = 0;
    while(dr != st-1){
        if(st == N + 2)
            st = 0;
        x = q[st++];
        inq[x] = false;
        for(int p = lst[x]; p != 0; p = urm[p]){
            y = vf[p];
            c = cst[p];
            if(d[x] + c < d[y]){
                d[y] = d[x] + c;
                adauga_q(y);
                if(nrq[y] == n){
                    out<<"Ciclu negativ!";
                    return 0;
                }
            }
        }
    }
    for(int i=2; i<=n; i++)
        out<<d[i]<<' ';
    return 0;
}