#include <bits/stdc++.h>
#define NMAX 100000

using namespace std;

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

int n, m, start, a, b;
vector<int> graf[NMAX + 2];
vector<int> dist(NMAX + 2, -1);
queue<int> q;

int main() {
    ios_base::sync_with_stdio(false);
    fin.tie(NULL);
    fout.tie(NULL);

    fin >> n >> m >> start;
    while (m--) {
        fin >> a >> b;
        graf[a].emplace_back(b);
    }

    q.push(start);
    dist[start] = 0;
    while (!q.empty()) {
        int nod = q.front();
        q.pop();
        for (int vec : graf[nod]) {
            if (dist[vec] == -1) {
                dist[vec] = dist[nod] + 1;
                q.push(vec);
            }
        }
    }

    for (int i = 1; i <= n; i++) {
        fout << dist[i] << ' ';
    }
    return 0;
}