#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
using namespace std;
ifstream f("bfs.in");
ofstream g("bfs.out");
int s;
int n, m;
vector <int> * lv;
int * visited;
int * dist;
void BFS(){
queue <int> q;
q.push(s);
while(!q.empty()){
int node = q.front();
for(int i = 0; i < lv[node].size(); i++){
int next_node = lv[node][i];
if(!visited[next_node]){
q.push(next_node);
visited[next_node] = 1;
dist[next_node] = dist[node] + 1;
}
}
q.pop();
}
}
int main(){
f >> n >> m >> s;
lv = new vector <int>[n + 1];
visited = new int[n + 1];
dist = new int[n + 1];
for(int i = 0 ;i <= n; i++){
visited[i] = 0;
dist[i] = -1;
}
dist[s] = 0;
visited[s] = 1;
int x, y;
for(int i = 0; i < m; i++){
f >> x >> y;
lv[x].push_back(y);
}
BFS();
for(int i = 1; i <= n; i++)
g << dist[i] << " ";
return 0;
}