#include <bits/stdc++.h>
using namespace std;
const int MAX = 100001;
vector <int> nod[MAX];
deque <int> coada;
int viz[MAX], n, m, s, lung[MAX];
ifstream in ("bfs.in");
ofstream out ("bfs.out");

int BFS()
{
    int x;
    coada.push_back(s);
    viz[s] = 1;
    lung[s] = 0;
    while(!coada.empty())
    {
        x = coada.front();
        coada.pop_front();
        for(int i = 0; i < nod[x].size(); i++)
        {
            if(!viz[nod[x][i]])
            {
                coada.push_back(nod[x][i]);
                lung[nod[x][i]] = lung[x] + 1;
                viz[nod[x][i]] = 1;
            }
        }
    }
}

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