#include <bits/stdc++.h>
#define MMAX 1000001
#define NMAX 100001
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
int n, m, s, nr, vf[MMAX*2], urm[MMAX*2], last[NMAX];
queue < pair<int,int> >Q;
int dist[NMAX];
bitset<NMAX> viz;
void adauga(int nod, int v)
{
vf[++nr] = v;
urm[nr] = last[nod];
last[nod] = nr;
}
void citire()
{
fin>>n>>m>>s;
for(int i, j, k = 1; k<=m; k++)
{
fin>>i>>j;
adauga(i, j);
}
}
void bfs()
{
viz[s] = 1;
Q.push({s, 0});
while(!Q.empty())
{
int nod = Q.front().first;
int distNod = Q.front().second;
Q.pop();
dist[nod] = distNod;
for(int k = last[nod]; k; k = urm[k])
{
if(!viz[vf[k]])
{
viz[vf[k]] = 1;
Q.push({vf[k], distNod+1});
}
}
}
}
int main()
{
citire();
bfs();
for(int i=1; i<=n; i++)
if(dist[i] == 0 and i != s)
fout<<-1<<' ';
else
fout<<dist[i]<<' ';
return 0;
}