# include <fstream>
# include <iostream>
# include <cstdlib>
using namespace std;
# define MAX 100001
int n, *a[MAX], d[100001], s;

void read ()
{
	ifstream fin ("bfs.in");
	int m;
	fin>>n>>m>>s;
	for (int i=1;i<=n;i++)	
	{	
		a[i]=(int*) malloc(1*sizeof(int));
		a[i][0]=0, d[i]=-1;
	}
	for (;m;--m)
	{
		int i, j;
		fin>>i>>j;
		a[i][0]++;
		a[i]=(int *) realloc(a[i], (a[i][0]+2)*sizeof(int));
		a[i][a[i][0]]=j;
	}
}

void bfs ()
{
	int *coada=new int [n+1], st=1, dr=1, k, i;
	coada[st]=s;
	d[s]=0;
	while (st<=dr)
	{
		k=coada[st++];
		for (i=1;i<=a[k][0];i++)
			if (d[a[k][i]]==-1)
			{
				coada[++dr]=a[k][i];
				d[a[k][i]]=d[k]+1;
			}
	}

}

void write ()
{
	ofstream fout ("bfs.out");
	for (int i=1;i<=n;i++)
		fout<<d[i]<<" ";
}

int main ()
{
	read ();
	bfs ();
	write ();
	return 0;
}