#include <iostream>
#include <queue>
#include <fstream>
#include <vector>

using namespace std;

#define MAX_N 50000
#define INF INT_MAX

typedef pair<int,int> pereche;

int main()
{
    ifstream f("dijkstra.in");
    ofstream g("dijkstra.out");
    priority_queue<pereche, vector<pereche>, greater<pereche>> coada;
    vector<pereche> adj[MAX_N];
    int n, m, dist[MAX_N], x, y, c, i, start;

    f >> n >> m >> start;
    for (i = 1; i <= m; i++)
    {
        f >> x >> y >> c;
        adj[x].push_back(make_pair(c,y));
        adj[y].push_back(make_pair(c,x));
    }

    for (i = 1; i <= n; i++)
        dist[i] = INF;

    dist[start] = 0;
    coada.push({0, start});
    while (!coada.empty())
    {
        x = coada.top().second;
        coada.pop();
        for (pereche i : adj[x])
        {
            y = i.second;
            c = i.first;
            if (dist[y] > dist[x] + c)
            {
                dist[y] = dist[x] + c;
                coada.push({dist[y], y});
            }
        }
    }
    for (i = 1; i <= n; i++)
    {
        if (dist[i] != INF)
            g << dist[i] << ' ';
        else
            g << -1 << ' ';
    }
    return 0;
}