#include <fstream>
#define NMAX 99
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
struct nod
{int vf;
struct nod* urm;
};
typedef struct nod* LSI;
LSI L[NMAX];
nod* p[NMAX];
bool viz[NMAX];
int n, m, start, i, nrp[NMAX];
void citire();
void BFS(int);
void inserare(LSI& L, int x, nod* p);
int main()
{
citire();
BFS(start);
for(i=1; i<=n; i++)
    if(nrp[i]==0) //&& i!=start)
        fout<<-1<<' ';
    else
        fout<<nrp[i]<<' ';
return 0;
}
void citire()
{
int x, y, i;
fin>>n>>m;
fin>>start;
for (i=1; i<=m; i++)
    {
    fin>>x>>y;
    inserare(L[x], y, p[x]);
    if (p[x]==NULL)
        p[x]=L[x];
    else
        p[x]=p[x]->urm;
    }
}
void BFS(int start)
{
int C[NMAX], x, prim, ultim;
nod* q;
C[0]=start;
prim=ultim=0;
viz[start]=1;
while(prim<=ultim)
    {
    x=C[prim++];
    for(q=L[x]; q; q=q->urm)
        if(!viz[q->vf])
        {
            viz[q->vf]=1;
            C[++ultim]=q->vf;
            nrp[q->vf]=nrp[x]+1;
        }
    }
}
void inserare(LSI& L, int x, nod* p)
{
nod* q = new nod;
q->vf=x;
if (p==NULL)
    {
    q->urm=L;
    L=q;
    }
else
    {
    q->urm = p->urm;
    p->urm = q;
    }
}