#include <iostream>
#include <vector>
#include <fstream>
using namespace std;

int N,S;
long M;
vector < vector <int> > Graf;
vector <int> Viz,Dist;

void Citire()
{
    ifstream f ("bfs.in");
    f>>N>>M>>S;
    Graf.resize(N);
    Viz.resize(N,0);
    Dist.resize(N,-1);
    for (int i=0;i<M;i++)
    {
        int x,y;
        f>>x>>y;
        x--;y--;
        Graf[x].push_back(y);
        //Graf[y].push_back(x);
    }
}

void BFS (int n)
{
    int i,j;
    vector <int> Coada;
    Coada.push_back(n);
    Dist[n]=0;
    Viz[n]=1;
    i=j=0;
    while (i<=j)
    {
        for (int k=0;k<Graf[Coada[i]].size();k++)
            if (Viz[Graf[Coada[i]][k]]==0)
            {
                //cout<<i+1<<" "<<Graf[Coada[i]][k]+1<<endl;
                Coada.push_back(Graf[Coada[i]][k]);
                Dist[Graf[Coada[i]][k]]=Dist[Coada[i]]+1;
                Viz[Graf[Coada[i]][k]]=1;
                j++;
            }
        i++;
    }
}

int main()
{
    Citire();
    BFS(S-1);
    ofstream g ("bfs.out");
    for (int i=0;i<N;i++)
    {
        g<<Dist[i]<<" ";
    }
    g.close();
    return 0;
}