#include <fstream>
#include <vector>
#include <queue>
using namespace std;
ifstream Gigi ("bfs.in");
ofstream Marcel ("bfs.out");
vector <int> v[1000001];
bool f[100001];
int s[100001];
queue <int> q;
void bfs(int nod)
{
    f[nod]=1;
    q.push(nod);
    while (!q.empty()){
        nod=q.front();
        for (int i=0;i<v[nod].size();i++){
            if (f[v[nod][i]]==0){
                q.push(v[nod][i]);
                f[v[nod][i]]=1;
                s[v[nod][i]]=s[nod]+1;
            }
        }
    }
}
int main()
{
    int n,m,x,y,i,start;
    Gigi>>n>>m>>start;
    for (i=0;i<m;i++){
        Gigi>>x>>y;
        v[x].push_back(y);
    }
    bfs(start);
    for (i=1;i<=n;i++){
        if (!f[i]) Marcel<<-1<<" ";
        else {
            Marcel<<s[i]<<" ";
        }
    }
    return 0;
}