#include <fstream>
#include <queue>
using namespace std;
ifstream in("bfs.in");
ofstream out("bfs.out");
int n,m,i,p,a[1001][1001],d[100001],viz[100001],s,x,y;
queue <int> coada;
int main()
{
    in>>n>>m>>s;
    for (i=1; i<=m; ++i)
    {
        in>>x>>y;
        a[x][y]=1;
    }
    coada.push(s);
    viz[s]=1;
    while (!coada.empty())
    {
        x=coada.front();
        for (i=1; i<=n; ++i)
        {
            if (!viz[i] && a[x][i])
            {
                coada.push(i);
                viz[i]=1;
                d[i]=d[x]+1;
            }
        }
        coada.pop();
    }
    for (i=1; i<=n; ++i)
    {
        if (i!=s && !d[i])
            out<<-1<<" ";
        else
            out<<d[i]<<" ";
    }
    out<<"\n";
}