#include <iostream>
#include <fstream>
#include <bits/stdc++.h>
using namespace std;
ifstream f("bfs.in");
ofstream g("bfs.out");
vector<vector<int>> m;
int cd[100003];
int dist[100003];
int n,mm,s,i;
void citire()
{
    f>>n>>mm>>s;
    m.resize(n+1);
    for(i=1;i<=mm;i++)
    {
        int x,y;
        f>>x>>y;
        m[x].push_back(y);
    }
    for(i=1;i<=n;i++)
        dist[i]=-1;
}
int main()
{
    citire();
    int in=0,sf=1,lg,nod;
    cd[1]=s;dist[s]=0;
    while(in<sf)
    {
        in++;
        nod=cd[in];
        lg=dist[nod];
        for(i=0;i<m[nod].size();i++)
        {
            int nodurm=m[nod][i];
            if(dist[nodurm]==-1)
            {
                sf++;
                cd[sf]=nodurm;
                dist[nodurm]=lg+1;
            }
        }
    }
    for(i=1;i<=n;i++)
        g<<dist[i]<<" ";
}