#include <fstream>
#include <queue>
#include <vector>

std::ifstream f ("bfs.in");
std::ofstream g ("bfs.out");

int main() {
    int n, m, s;
    f >> n >> m >> s;
    std::vector<std::vector<int>> adj(n+1);

    for (int i = 1; i <= m; i++) {
        int x, y;
        f >> x >> y;
        adj[x].push_back(y);
        adj[y].push_back(x);
    }

    std::vector<int> dist(n+1, -1);
    std::queue<int> q;
    q.push(s); dist[s] = 0;
    while (!q.empty()) {
        int x = q.front();
        q.pop();

        for (int i : adj[x]) {
            if (dist[i] == -1) {
                dist[i] = dist[x] + 1;
                q.push(i);
            }
        }
    }

    for (int i = 1; i <= n; i++) {
        g << dist[i] << " ";
    }

    return 0;
}