#include<bits/stdc++.h>
using namespace std;

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

vector<int> mat[100005];
queue<int> coada;
int dist[100005];

void BFS(int nod_plecare){
    coada.push(nod_plecare);
    dist[nod_plecare] = 0;
    while(coada.size()){
        int vf = coada.front();
        coada.pop();
        for(auto x: mat[vf]){
            if(dist[x] > dist[vf] + 1){
                dist[x] = dist[vf] + 1;
                coada.push(x);
            }
        }
    }
}

int main()
{
    int n, m, s, x, y;
    in >> n >> m >> s;
    for(int i = 1; i <= n; i++){
        dist[i] = -1;
    }
    for(int i = 1; i <= m; i++){
        in >> x >> y;
        mat[x].push_back(y);
    }
    BFS(s);
    for(int i = 1; i <= n; i++){
        out << dist[i] <<' ';
    }
    return 0;
}