import java.io.*;
import java.util.*;

class MyScanner1 {
    private BufferedReader br;
    private StringTokenizer st;

    public MyScanner1(Reader reader) {
        br = new BufferedReader(reader);
    }

    public String next() {
        while (st == null || !st.hasMoreElements()) {
            try {
                st = new StringTokenizer(br.readLine());
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return st.nextToken();
    }

    public int nextInt() {
        return Integer.parseInt(next());
    }

    public long nextLong() {
        return Long.parseLong(next());
    }

    public double nextDouble() {
        return Double.parseDouble(next());
    }

    public String nextLine() {
        String str = "";
        try {
            str = br.readLine();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return str;
    }
}

public class Main {

    public static void main(String[] args) throws IOException {
        MyScanner1 scanner = new MyScanner1(new FileReader("bfs.in"));

        int n, m, s;
        n = scanner.nextInt();
        m = scanner.nextInt();
        s = scanner.nextInt();

        ArrayList<Integer>[] graph = new ArrayList[n + 1];
        int[] distance = new int[n + 1];

        Arrays.fill(distance, -1);

        for (int i = 1; i <= n; i++)
            graph[i] = new ArrayList<>();

        for (int i = 1; i <= m; i++)
        {
            int a = scanner.nextInt();
            int b = scanner.nextInt();

            graph[a].add(b);
        }

        Queue<Integer> q = new ArrayDeque<>();
        q.add(s);
        distance[s] = 0;

        while (!q.isEmpty())
        {
            int node = q.poll();

            for (Integer adj : graph[node])
            {
                if (distance[adj] == -1)
                {
                    distance[adj] = distance[node] + 1;
                    q.add(adj);
                }
            }
        }

        try (BufferedWriter writer = new BufferedWriter(new FileWriter("bfs.out"))) {
            StringBuilder sb = new StringBuilder();
            for (int i = 1; i <= n; i++) {
               sb.append(distance[i]);
               sb.append(" ");

               if (i % 10000 == 0)
               {
                   writer.append(sb.toString());
                   sb.setLength(0);
               }
            }
            if (sb.length() > 0)
                writer.write(sb.toString());
        }

    }
}