#include<bits/stdc++.h>

using namespace std;

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

vector<vector<int>> adj(100005);
vector<int> ans(100005, -1);

void bfs(int s) {
    vector<int> vis(100005,0);
    queue<pair<int,int>> q;

    q.push({s,1});
    vis[s] = 1;
    ans[s] = 0;

    while (!q.empty()) {
        pair<int,int> p = q.back();
        for (auto i : adj[p.first]) {
            if (!vis[i]) {
                if (ans[i] == -1) {
                    ans[i] = p.second;
                }
                q.push({i,p.second + 1});
                vis[i] = 1;
            }
        }
        q.pop();
    }

}

int main() {
    int n, m , s;
    fin >> n >> m >> s;

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

    bfs(s);

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

}