#include <iostream>
#include <fstream>
#include <queue>
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
int viz[10001];
int dist[10001];
int n, m, s;
int a[10001][10001];
void citire()
{
fin >> n >> m >> s;
int aux1, aux2;
for(int i = 1; i <= m ; i++)
{
fin >> aux1 >> aux2;
a[aux1][aux2]= 1;
}
for(int i = 1 ; i <= n ; i++)
dist[i] = -1;
}
deque<int> q;
void BFS()
{
q.push_back(s);
viz[s] = 1;
dist[s] = 0;
while(!q.empty())
{
for(int i = 1; i <= n ; i++)
{
if(a[q.front()][i] == 1 && !viz[i])
{
q.push_back(i);
viz[i] = 1;
dist[i] = dist[q.front()]+1;
}
}
q.pop_front();
}
}
int main()
{
citire();
BFS();
for(int i = 1 ; i <= n ; i++)
cout << dist[i] << ' ';
return 0;
}