#include <iostream>
#include <vector>
#include <unordered_map>
#include <queue>
#include <fstream>
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");

int nr_muchii, nr_noduri, start;
int visit[100001];
vector<int> graf[100001];
queue<int>coada;

int main()
{
    fin >> nr_noduri >> nr_muchii >> start;

    for (int i = 1; i <= nr_muchii; i++)
    {
        int n1, n2;
        fin >> n1 >> n2;
        graf[n1].push_back(n2);
    }

    for (int i = 1; i <= nr_noduri; i++)
        visit[i] = -1;

    coada.push(start);
    visit[start] = 0;

    while (!coada.empty())
    {
        int nod = coada.front();
        coada.pop();
        for (int &next:graf[nod])
            if (visit[next]==-1)
            {
                visit[next] = visit[nod] + 1;
                coada.push(next);
            }
    }
    visit[start] = 0;
    for (int i = 1; i <= nr_noduri; i++)
        fout << visit[i] << " ";

    return 0;
}