#include <fstream>
#include <vector>

using namespace std;

ifstream fin("bfs.in");
ofstream fout("bfs.out");

int main()
{
    vector<int> v[100001],u;
    int n,m,s,i,j,a[100001];
    fin>>n>>m>>s;
    for(i=1;i<=n;++i)
        a[i]=-1;
    while(m)
    {
        fin>>i>>j;
        v[i].push_back(j);
        m--;
    }
    for(a[s]=0,u.push_back(s);u.size();u.erase(u.begin()))
        for(i=0;i<v[u[0]].size();++i)
            if(a[v[u[0]][i]]==-1)
            {
                a[v[u[0]][i]]=a[u[0]]+1;
                u.push_back(v[u[0]][i]);
            }
    for(i=1;i<=n;++i)
        fout<<a[i]<<" ";
}