#include <iostream>
#include <cstdio>
#include <vector>

using namespace std;

vector <long> G[100005];
long N, Start, Cost[100005];
char V[100005];

void Read ()
{
    freopen ("bfs.in", "r", stdin);
    long i, M, X, Y;
    scanf ("%ld%ld%ld", &N, &M, &Start);
    for (i=0; i<M; i++)
    {
        scanf ("%ld%ld", &X, &Y);
        if (X!=Y)
        {
            G[X].push_back (Y);
        }
    }
}

void Type ()
{
    freopen ("bfs.out", "w", stdout);
    long i;
    for (i=1; i<=N; i++)
    {
        printf ("%ld ", Cost[i]);
    }
    printf ("\n");
}

void BFS ()
{
    long i, n=1, Coada[100005], j;
    Coada[0]=Start;
    for (i=0; i<n; i++)
    {
        V[Coada[i]]=1;
        for (j=0; j<G[Coada[i]].size (); j++)
        {
            if (V[G[Coada[i]][j]]==0)
            {
                Cost[G[Coada[i]][j]]=Cost[Coada[i]]+1;
                Coada[n++]=G[Coada[i]][j];
            }
        }
    }
    for (i=1; i<=N; i++)
    {
        if (V[i]==0)
        {
            Cost[i]=-1;
        }
    }
}

int main()
{
    Read ();
    BFS ();
    Type ();
    return 0;
}