#include <fstream>
#include <vector>
using namespace std;
ifstream is ("bfs.in");
ofstream os ("bfs.out");
vector <int> v[100001];
int n, m, s, viz[100001], k = 1;

void Read();
void Cross(int x, int k);
int main()
{
    Read();
    Cross(s, 1);
    for(int i = 1; i <=n; ++i)
    {
        if(i == s || viz[i] == 0)
            os << viz[i]-1 << ' ';
        else
            os << viz[i] << ' ';
    }
    return 0;
}
void Read()
{
    int x, y;
    is >> n >> m >> s;
    for(int i = 1; i <= m; ++i)
    {
        is >> x >> y;
        if(x != y)
        v[x].push_back(y);
    }
    viz[s] = 1;
}
void Cross(int x, int k)
{
    for(int i = 0; i < v[x].size(); ++i)
    {
        if(!viz[v[x][i]])
        {
            viz[v[x][i]] = k;
            Cross(v[x][i], k+1);
        }
    }

    return;
}