#include <fstream>
#include <vector>

using namespace std;

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

int n, m, s, x, y;
int c[100001], q[100001];
vector <int> v[100001];

void bfs(int s){
    int st = 1, dr = 1;
    q[1] = s;
    c[s] = 0;
    while(st <= dr){
        int i = q[st];
        for(int j=0; j<v[i].size(); j++){
           // fout << i <<' '<<v[i][j]<<' '<<c[v[i][j]]<<'\n';
            if(c[v[i][j]] == -1){
                dr++;
                q[dr] = v[i][j];
                c[v[i][j]] = c[i] + 1;
                //fout << q[dr] << '\n';
            }
        }
        st++;
        //fout << st << ' ' << dr << '\n';
    }
}

int main(){
    fin >> n >> m >> s;
    for(int i=1; i<=m; i++){
        fin >> x >> y;
        v[x].push_back(y);
    }
    for(int i=1; i<=n; i++)
        c[i] = -1;
    bfs(s);
    for(int i=1; i<=n; i++)
        fout << c[i] << ' ';
    return 0;
}