#include <fstream>

using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
struct nod
{
    int inf;
    struct nod *urm;
} *v[100001],*step;
int dist[100001],coada[100001],st,dr;
void bfs(int s)
{
    dist[s]=1;
    coada[0]=s;
    while(st<=dr)
    {
        int nod=coada[st];
        for(step=v[nod];step!=0;step=step->urm)
        {
            if(dist[step->inf]==0 || dist[step->inf]>dist[nod]+1)
            {
                coada[++dr]=step->inf;
                dist[step->inf]=dist[nod]+1;
            }
        }
        st++;
    }
}
int main()
{
    int n,m,s,a,b,i;
    fin>>n>>m>>s;
    for(i=1;i<=m;i++)
    {
        fin>>a>>b;
        nod *p=new nod;
        p->inf=b;
        p->urm=v[a];
        v[a]=p;
    }
    bfs(s);
    for(i=1;i<=n;i++)
    {
        if(dist[i]==0) fout<<"-1 ";
        else fout<<dist[i]-1<<" ";
    }
}