#include<stdio.h>
int N,M,S,viz[1001];
int st,sf;
int n[1000];
int coada[1000];
int a[1000][1000];
void citire()
{
  int i,x,y;
  FILE *in = fopen("bfs.in","rt");
  fscanf(in,"%d %d %d",&N,&M,&S);
  for(i=1;i<=N;i++) n[i]=-1;
  for(i=1;i<=M;i++)
  {
    fscanf(in,"%d %d",&x,&y);
    a[x][y]=a[y][x]=1;
  }
  fclose(in);
}
void bf(int S)
{
  st=sf=1;
  niv=0;
  n[S]=niv;
  viz[S]=1;
  coada[st]=S;
  sf++;
  while(st<sf)
  {
    niv++
    for(i=1;i<=N;i++)
    if(a[coada[st]][i]&&!viz[i])
    {
      viz[i]=1;
      n[i]=niv;
    }
    st++;
  }
}
int main()
{
  int i,nr=0;
  citire();
  bfs(S);
  FILE *out=fopen("bfs.out","wt");
  for(i=1;i<=N;i++)
  fprintf(out,"%d ",n[i]);
  fclose(out);
  return 0;
}