#include<iostream>
#include<fstream>
#include<cstring>
using namespace std;
int a[1000][1000],c[2000],viz[1000],l[1000];
int n,m,prim,ultim,varf,x,y;

void parc_latime()
{int k;
 while(prim<=ultim)
 {varf=c[prim];
   for(k=1;k<=n;k++)
      if(a[varf][k]==1&&viz[k]==0)
            {ultim++;
             l[k]=l[varf]+1;
             c[ultim]=k;
             viz[k]=1;
             }
  prim++;
      }
}

int main()
{
    int nod;
    ifstream f("bfs.in");
    ofstream g("bfs.out");
    f>>n>>m>>nod;
    for(int i=0;i<m;i++)
    {
        f>>x>>y;
        a[x][y]=1;
    }
    prim = ultim = 1;
    viz[nod] = 1;
    c[prim] = nod;
    memset(l, -1, sizeof(l));
    l[nod] = 0;
    parc_latime();

    for(int i = 1; i <= n; i++)
        g << l[i] << " ";

    return 0;
}