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

using namespace std;
ifstream in("bfs.in");
ofstream out("bfs.out");

#define ll long long
#define ui unsigned int
#define pb push_back
const int inf = 1e9 + 5;
const int NMax = 1e5 + 5;

int N,M,S;
int dist[NMax];
bool vis[NMax];
vector<int> v[NMax];

int main() {
    in>>N>>M>>S;

    while (M--) {
        int x,y;
        in>>x>>y;

        v[x].pb(y);
    }

    queue<int> Q;
    Q.push(S);
    vis[S] = true;
    while (Q.size()) {
        int node = Q.front();
        Q.pop();

        for (auto nxt : v[node]) {
            if (vis[nxt]) {
                continue;
            }

            dist[nxt] = dist[node] + 1;
            vis[nxt] = true;
            Q.push(nxt);
        }
    }

    for (int i=1;i <= N;++i) {
        out<<( (!vis[i]) ? -1 : dist[i] )<<' ';
    }

    in.close();out.close();
    return 0;
}