#include <fstream>
#define NMAX 100001
using namespace std;
ifstream f("bfs.in");
ofstream g("bfs.out");
int n,cost[NMAX],viz[NMAX];
typedef struct nod
{
    int y;
    nod *urm;
}*pNod;
pNod lis[NMAX];
void add(pNod &dest,int val)
{
    pNod p;
    p=new nod;
    p->y=val;
    p->urm=dest;
    dest=p;
}
void bfs(int s)
{
    int pi,pf,c[NMAX];
    for (int i=1;i<=n;++i)
        cost[i]=-1;
    pi=pf=1; cost[s]=0; viz[s]=1; c[1]=s;
    while (pi<=pf)
    {
        for (pNod p=lis[c[pi]];p!=NULL;p=p->urm)
        {
            if (viz[p->y]==0)
                {
                    pf++;
                    c[pf]=p->y;
                    viz[p->y]=1;
                    cost[p->y]=cost[c[pi]]+1;
                }
        }
        pi++;
    }
}
int main()
{
    int m,s,x,y;
    f>>n>>m>>s;
    for (int i=1;i<=m;++i)
    {
        f>>x>>y;
        add(lis[x],y);
    }
    bfs(s);
    for (int i=1;i<=n;++i)
        g<<cost[i]<<" ";
    f.close();
    g.close();
    return 0;
}