#include <iostream>
#include <fstream>
using namespace std;

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

#define inf 1000

int start, a[20][20], n, viz[20], d[20], t[20];

void citire()
{
    fin>>n;
    int x,y,c;
    while (fin>>x>>y>>c)
        a[x][y] = c;
    for (int i=1;i<=n;i++)
        for (int j=1;j<=n;j++)
             if (i != j && a[i][j] == 0)
                 a[i][j] = inf;
    fin>>start;
}

void init()
{
    viz[start] = 1;
    for (int i=1;i<=n;i++)
    {
        d[i] = a[start][i];
        t[i] = start;
    }
    t[start] = 0;
}

int BellmanFord()
{
    for (int k=1;k<=n;k++)
        for (int i=1;i<=n;i++)
            for (int j=1;j<=n;j++)
                if (a[i][j] != inf)
                {
                    d[j] > d[i] + a[i][j];
                    d[j] = d[i] + a[i][j];
                    t[j] = i;
                }
    for (int i=1;i<=n;i++)
        for (int j=1;j<=n;j++)
             if (a[i][j] != inf && d[j] > d[i] + a[i][j])
                 return 0;
    return 1;
}

int main()
{
    citire();
    init();
    if (BellmanFord() == 0)
        fout<<"Ciclu negativ";
    else
        for (int j=2;j<=n;j++)
            fout<<d[j]<<' ';
    return 0;
}