#include <bits/stdc++.h>

using namespace std;

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


int n, m, x;


vector<vector<int>> adj;
vector<int> sources;
vector<int> dist;


void BFS(int source) {
    queue<int> q;
    q.push(source);
    dist[source] = 0;
    while (!q.empty()) {
        int nod = q.front();
        q.pop();
        for (int i : adj[nod]) 
            if (dist[i] > dist[nod] + 1) {
                q.push(i);
                dist[i] = dist[nod] + 1;
            }
    }
    for (int i = 1; i <= n; i++) {
        if (dist[i] != 2e9)
            fout << dist[i] << " ";
        else fout << "-1 ";
    }
    fout << "\n";
}

int main() {
    fin >> n >> m >> x;
    adj.resize(n + 5);
    dist.resize(n + 5);
    for (int i = 1; i <= n; i++) {
        dist[i] = 2e9;
    }
    for (int i = 1; i <= m; i++) {
        int x, y;
        fin >> x >> y;
        adj[x].push_back(y);
    }
    BFS(x);
    return 0;
}