#include <iostream>
#include <fstream>
#include <vector>
using namespace std;

ifstream f("bfs.in");
ofstream g("bfs.out");

vector <int>v[1000000];
int n,m,s;
int viz[1000010],c[100000000], d[1000010];

int main()
{
  int x,y,sf,i,j;
  f>>n>>m>>s;
    for ( i=1; i<=m; i++)
    {
        f>>x>>y;
        v[x].push_back(y);
    }
    for ( i=1; i<=n; i++)
    {
        viz[i] = 0;
        d[i]=10000000;
    }

    viz[s]=1;
    d[s]=0;
    c[1]=s; sf = 1;
    for (j=1; j<=sf; j++)
        for (i = 0; i < v[c[j]].size(); i++)
            if (viz[v[c[j]][i]] == 0)
            {
                sf++;
                c[sf]=v[c[j]][i];
                viz[v[c[j]][i]]=1;
                d[v[c[j]][i]] = d[c[j]]+1;
            }
    for (i=1; i<=n; i++)
        if (d[i]!= 10000000)
            g<<d[i]<<" ";
    else g<<-1<<" ";
return 0;
}