#include<fstream>
#include<vector>
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
vector <int> G[100003];
int visit[100003],coada[100003];
void citire(int &n,int &nod)
{
    int m;
    fin>>n>>m>>nod;
    for(int i=1;i<=m;i++)
    {
        int x,y;
        fin>>x>>y;
        G[x].push_back(y);
    }
}
int BFS(int nod)
{
    int l=1,r=1;
    coada[1]=nod;
    visit[nod]=1;
    while(l<=r)
    {
        for(int i=0;i<G[coada[l]].size();i++)
        if(visit[G[coada[l]][i]]==0)
        {
            visit[G[coada[l]][i]]=visit[coada[l]]+1;
            r++;
            coada[r]=G[coada[l]][i];
        }
        l++;
    }
}
int main()
{
    int n,nod;
    citire(n,nod);
    BFS(nod);
    for(int i=1;i<=n;i++)
        fout<<visit[i]-1<<" ";


}