#include <bits/stdc++.h>

using namespace std;

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

const int NMAX = 1e5 + 7;

int main()
{
    int n, m, s;
    fin >> n >> m >> s;

    vector<vector<int>> v(NMAX);
    vector<bool> ok (NMAX, false);
    vector<int> dist(NMAX, -1);

    for(int i = 1; i <= m; i++)
    {
        int x, y;
        fin >> x >> y;
        v[x].push_back(y);
    }

    queue<int> q;
    q.push(s);
    ok[s] = true;
    dist[s] = 0;

    while(!q.empty())
    {
        int x = q.front();
        q.pop();
        for(auto it : v[x])
        {
            if(!ok[it])
            {
                ok[it] = true;
                dist[it] = dist[x] + 1;
                q.push(it);
            }
        }
    }

    for(int i = 1; i <= n; i++)
    {
        fout << dist[i] << " ";
    }




    return 0;
}