#include <iostream>
#include <list>
#include <queue>
#include <fstream>

using namespace std;

const int nMax = 100005;

int n, m, s, dist[nMax], x, y;
vector<int> v[nMax];
queue<int> q;

void bfs() {
    q.push(s);
    dist[s] = 1;

    while (!q.empty()) {
        int curr = q.front();
        q.pop();

        for (auto i:v[curr]) {
            if (dist[i] == 0) {
                dist[i] = dist[curr] + 1;
                q.push(i);
            }
        }
    }
}

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

    ios_base::sync_with_stdio(false);
    in.tie(nullptr);

    in >> n >> m >> s;

    for (int i = 0; i < m; i++) {
        in >> x >> y;
        v[x].push_back(y);
    }

    in.close();

    bfs();

    for (int i = 1; i <= n; i++) {
        out << ((dist[i] == 0) ? -1 : dist[i] - 1) << " ";
    }

    out.close();

    return 0;
}