#include <fstream>
#include <vector>
#include <queue>
using namespace std;
ifstream f("bfs.in");
ofstream g("bfs.out");

const int nlim=100005;
int n,m,x;
int distanta[nlim];
vector <int> muchii[nlim];

queue <int> coada;

void BFS()
{
    int nod,vecin;
    while(!coada.empty())
    {
        nod=coada.front();
        coada.pop();
        for(unsigned int i=0;i<muchii[nod].size();i++)
        {
            vecin=muchii[nod][i];
            if(distanta[vecin]==-1)
            {
                coada.push(vecin);
                distanta[vecin]=distanta[nod]+1;
            }
        }
    }
}

void citire()
{
    f>>n>>m>>x;
    for(int i=1;i<=m;i++)
    {
        int x,y;
        f>>x>>y;
        muchii[x].push_back(y);
    }
    for(int i=1;i<=n;i++)
        distanta[i]=-1;
    distanta[x]=0;
    coada.push(x);
    BFS();
    for(int i=1;i<=n;i++)
        g<<distanta[i]<<" ";
}

int main()
{
    citire();
    return 0;
}