#include <bits/stdc++.h>
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
int n, m, startnod;
vector <int> muchii[100100];
int coada[100100];
int st[100100];
int distanta[100100];
void bfs()
{
    int nod, left = 1, right = 1;
    while(left <= right)
    {
        nod = coada[left];
        left++;
        for(unsigned int i = 0; i < muchii[nod].size(); i ++)
        {
            if(distanta[muchii[nod][i]] == -1)
            {
                right++;
                coada[right] = muchii[nod][i];
                distanta[muchii[nod][i]] = distanta[nod] + 1;
            }
        }
    }
}
void citire()
{

    fin >> n >> m >> startnod;
    for(int i = 1; i <= m; i ++)
    {
        int x, y;
        fin >> x >> y;
        muchii[x].push_back(y);
    }
    for(int i = 1; i <= n; i ++)
    {
        distanta[i] = -1;
    }
    distanta[startnod] = 0;
    coada[1] = startnod;
    bfs();
    for(int i = 1; i <= n; i ++)
        fout << distanta[i] << " ";
}
int main()
{
    citire();
}