#include <fstream>
#include <vector>
#include <algorithm>
#include <queue>

using namespace std;
const int NMAX=100000;
queue <int> q;
vector <int> G[NMAX+5],d;
vector <bool> viz;
int n;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
void bfs(int u)
{
    viz.assign(n+1,0);
    d.assign(n+1,0);
    q.push(u);
    viz[u]=1;
    while(!q.empty())
    {   int j,v;
        u=q.front();
        q.pop();
        for(j=0;j<G[u].size();j++)
        {
            v=G[u][j];
            if(viz[v]==0)
            {
                viz[v]=1;
                d[v]=d[u]+1;
                q.push(v);
            }
        }
    }
}
int main()
{   int m,s,u,v,i;
    fin>>n>>m>>s;
    for(i=1;i<=m;i++)
    {
        fin>>u>>v;
        G[u].push_back(v);
    }
    bfs(s);
    for(i=1;i<=n;i++)
    {
        if(d[i]==0 && i!=s)
            d[i]=-1;
    }
    for(i=1;i<=n;i++)
        fout<<d[i]<<" ";
    return 0;
}