#include <bits/stdc++.h>
using namespace std;
ifstream f("dijkstra.in");
ofstream g("dijkstra.out");
#define nmax 100003
const int INF = 0x3f3f3f3f;
int n,m,p,from,to,cost;
int dist[nmax];
bool viz[nmax];
vector < pair < int, int > > matrice[nmax];
queue < int > coada;
void Dijkstra(int nod)
{
    coada.push(nod);
    dist[nod]=0;
    viz[nod]=1;
    while(!coada.empty())
    {
        nod=coada.front();
        coada.pop();
        for(vector < pair < int, int > >::iterator it=matrice[nod].begin(); it!=matrice[nod].end(); it++)
            if(dist[it->first]>dist[nod]+it->second)
            {
                dist[it->first]=dist[nod]+it->second;
                coada.push(it->first);
                viz[it->first]=1;
            }

    }
}
int main()
{
    f>>n>>m>>p;
    while(f>>from>>to>>cost)
    {
        matrice[from].push_back({to,cost});
        matrice[to].push_back({from,cost});
    }
    memset(dist,INF,sizeof dist);
    Dijkstra(p);
    for(int i=1; i<=n; i++)
        if(viz[i]) g<<dist[i]<<" ";
        else g<<-1<<" ";
    return 0;
}