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/*
BFS:
szomszédsági mátrixszal: O(N^2)
éllistával: O(N*M)
szomszédsági listákkal: O(N+M)
*/
#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
using namespace std;
int main()
{
ifstream fin("bfs.in");
ofstream fout("bfs.out");
int n, m, s;
fin >> n >> m >> s;
// szomszédsági listák építése
vector<vector<int>> adj(n+1);
for (int i = 0; i < m; i++) {
int x, y;
fin >> x >> y;
adj[x].push_back(y);
}
vector<int> dist(n+1, -1);
queue<int> q;
q.push(s);
dist[s] = 0;
while (!q.empty()) {
int v = q.front();
// cout << v << endl;
q.pop();
int nsz = adj[v].size();
for (int i = 0; i < nsz; i++) {
int sz = adj[v][i];
if (dist[sz] == -1) {
dist[sz] = dist[v] + 1;
q.push(sz);
}
}
}
for (int i = 1; i <= n; i++)
fout << dist[i] << " ";
fout << endl;
return 0;
}