#include <fstream>
#include <set>
#include <queue>

using namespace std;

ifstream cin("bfs.in");
ofstream cout("bfs.out");

int n,m,nod,d[100001];
set <int> v[100001];
queue <int> q;

void bfs (int x)
{
    q.push(x);
    while (!q.empty())
    {
        int nodc=q.front();
        q.pop();
        for (auto i : v[nodc])
            if (d[i]==-1)
            {
                q.push(i);
                d[i]=d[nodc]+1;
            }
    }
}

int main()
{
    cin>>n>>m>>nod;
    for (int i=1; i<=m; i++)
    {
        int x,y;
        cin>>x>>y;
        v[x].insert(y);
    }
    for (int i=1; i<=n; i++)
        d[i]=-1;
    d[nod]=0;
    bfs(nod);
    for (int i=1; i<=n; i++)
        cout<<d[i]<<" ";
}