#include <fstream>
#include <vector>
#include <queue>
using namespace std;
ifstream cin("bfs.in");
ofstream cout("bfs.out");
vector<int>v[100005];
bool viz[100005];
int d[100005],n,m,nod,a,b;
queue<int>q;
int main()
{
    ios_base::sync_with_stdio();
    cin>>n>>m>>nod;
    for(int i=1;i<=m;i++)
    {
        cin>>a>>b;
        v[a].push_back(b);
    }
    q.push(nod);
    viz[nod]=1;
    while(!q.empty())
    {
        int x=q.front();
        q.pop();
        for(int i=0;i<v[x].size();x++)
            if(!viz[v[x][i]])
            {
                viz[v[x][i]]=1;
                d[v[x][i]]=d[x]+1;
                q.push(v[x][i]);
            }
    }
    for(int i=1;i<=n;i++)
        if(d[i]==0 and i!=nod)
            cout<<"-1 ";
        else
            cout<<d[i]<<" ";
    return 0;
}