#include <bits/stdc++.h>
using namespace std;

int num_nodes;
int num_edges;
int start;
constexpr int not_visited=-1;
vector<vector <int>> adj(100001);
vector<int> dist(100001,not_visited);

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

    fin>>num_nodes>>num_edges>>start;
    for(int i=1; i<=num_edges; i++) {
        int src,dest;
        fin>>src>>dest;
        adj[src].push_back(dest);
    }

    queue <int> bfs;
    bfs.push(start);
    dist[start]=0;
    while(!bfs.empty()) {
        int current=bfs.front();
        bfs.pop();
        for(auto next:adj[current])
            if(dist[next]==not_visited) {
                bfs.push(next);
                dist[next]=dist[current]+1;
            }
    }

    for(int i=1; i<=num_nodes; i++)
            fout<<dist[i]<<' ';

    return 0;
}