#include <iostream>
#include <fstream>
using namespace std;
ifstream f("bfs.in");
ofstream g("bfs.out");
int start[100001],t[2][2000002],viz[100001],coada[100001],prim=1,ultim=1,n,m,s,k;
int dir[100001];
void bfs(int nod)
{
    int p,contor=0;
    coada[prim]=nod;
    viz[nod]=1;
    dir[nod]=0;
    while(prim<=ultim)
    {
        contor=dir[coada[prim]];
        p=start[coada[prim]];
        while(p)
        {
            if(viz[t[0][p]]==0)
            {
                dir[t[0][p]]=contor+1;
                ultim++;
                coada[ultim]=t[0][p];
                viz[t[0][p]]=1;
            }
            p=t[1][p];
        }
        prim++;
    }
}
int main()
{
    f>>n>>m>>s;
    int o,i,j;
    for(o=1;o<=m;o++)
    {
        f>>i>>j;
        k++;
        t[0][k]=j;
        t[1][k]=start[i];
        start[i]=k;
    }
    dir[s]=0;
    bfs(s);
    for(o=1;o<=n;o++)
    {
        if(dir[o]==0&&o!=s) g<<"-1"<<" ";
        else
        g<<dir[o]<<" ";
    }
    return 0;
}