#include <fstream>
#include <stdio.h>
#include <vector>
#include <iostream>
using namespace std;

#define maxn 100010

int N, M, L, Start;
vector <int> A[maxn];
int G[maxn], S[maxn], Cost[maxn];

void BFS(int nod)
{
	int i, j;

	memset(Cost, -1, sizeof(Cost));  //	Marchez toate nodurile ca fiind nevizitate

	//	Introduc nodul de start in coada
	L = 1;
	Cost[nod] = 0;
	S[L] = nod;

	for (i = 1; i <= L; i++)	//	Elimin pe rand nodurile din coada
		for (j = 0; j < G[S[i]]; j++)	//	Parcurg vecinii nodului ce urmeaza sa fie eliminat
			if (Cost[A[S[i]][j]] == -1)
			{
				//	Adaug vecinii nevizitati in coada si le calculez distanta
				S[++L] = A[S[i]][j];
				Cost[S[L]] = Cost[S[i]] + 1;
			}
}

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

	int i, x, y;

	fin >> N >> M >> Start;

	//	Citesc arcele si retin graful sub forma de lista de vecini

	for (i = 1; i <= M; i++)
	{
		fin >> x >> y;
		A[x].push_back(y);
	}

	for (i = 1; i <= N; i++)
		G[i] = A[i].size();

	BFS(Start);

	for (i = 1; i <= N; i++)
		fout << Cost[i] << ' ';
}