#include <queue>
#include <vector>
#include <fstream>
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
int n, m, s;
vector<int> v[100002];
queue<int> coada;
int a[100002];
bool p[100002];
int main()
{
    fin >> n >> m >> s;
    int x, y;
    for (int i = 1; i <= m; ++i)
    {
        fin >> x >> y;
        v[x].push_back(y);
    }

    a[s] = 0;
    p[s] = 1;
    int nod;
    coada.push(s);
    while (!coada.empty())
    {
        nod = coada.front();
        fout << nod << " ";
        for (int i = 0; i < v[nod].size(); ++i)
        {
            if (!p[v[nod][i]])
            {
                a[v[nod][i]] = a[nod] + 1;
                p[v[nod][i]] = 1;
                coada.push(v[nod][i]);
            }
        }
        coada.pop();
    }
    fout << "\n\n";
    for (int i = 1; i <= n ; ++i)
    {
        if (!p[i])
        {
            fout << "-1 ";
        }else
        fout << a[i] << " ";
    }

}













/* for (int i = 1; i <= n; ++i)
 {
     fout << i << " ";
     for (int j = 0; j < v[i].size(); ++j)
     {
         fout << v[i][j] << " ";
     }
     fout << "\n";
 }*/