#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#include <iostream>
#include <cstring>
#include <fstream>

using namespace std;

constexpr int kMaxN = 100000, kMaxM = 1000000;
constexpr int NIL = -1;

int head[kMaxN], to[kMaxM], vertex[kMaxM];
int bfq[kMaxN], dist[kMaxN];

void Link(int x, int y, int id) {
    to[id] = head[x];
    vertex[id] = y;
    head[x] = id;
}

int main() {
    #ifdef INFOARENA
    ifstream cin("bfs.in");
    ofstream cout("bfs.out");
    #endif
    
    int n, m, s; cin >> n >> m >> s; s -= 1;
    
    memset(head, NIL, 4 * n);
    for (int i = 0; i < m; i += 1) {
        int x, y; cin >> x >> y; x -= 1; y -= 1;
        Link(x, y, i);
    }
    
    int q_start = 0, q_end = 1;
    dist[s] = 1;
    bfq[0] = s;
    while (q_start != q_end) {
        const int node = bfq[q_start++];
        for (int i = head[node]; i != NIL; i = to[i]) {
            const int son = vertex[i];
            if (dist[son] == 0) {
                dist[son] = dist[node] + 1;
                bfq[q_end++] = son;
            }
        }
    }
    
    for (int i = 0; i < n; i += 1) {
        cout << dist[i] - 1 << " \n"[i == n - 1];
    }
}