#include <fstream>
#include <vector>
#include <queue>

using namespace std;

ifstream fin("bfs.in");
ofstream fout("bfs.out");
const int NLIM=100005;


vector <int> Muchii[NLIM];
queue <int> Coada;
int N,M;
int Distanta[NLIM];



void BFS()
{
    int Nod, Vecin;
    while(!Coada.empty())
    {
        Nod=Coada.front();
        Coada.pop();
        for(unsigned int i=0 ; i < Muchii[Nod].size() ; i++)
        {
            Vecin=Muchii[Nod][i];
            if(Distanta[Vecin] == -1)
            {
                Coada.push(Vecin);
                Distanta[Vecin]= Distanta[Nod]+1;
            }

        }
    }
}

void Citire()
{
    int nodStart;
    fin>>N>>M>>nodStart;
    for(int i=1 ; i <= M ; i++ )
    {
        int x,y;
        fin>>x>>y;
        Muchii[x].push_back(y);
    }
    for(int i=1; i <= N; i++)
        Distanta[i]=-1;
    Distanta[nodStart]=0;

    Coada.push(nodStart);

    BFS();

    for(int i=1; i <= N ; i++)
        fout<<Distanta[i]<<" ";
}

int main()
{
    Citire();
    return 0;
}