#include <bits/stdc++.h>
#define NMAX 100005
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");

vector < int > v[NMAX],cd;
int n,m,s,a,b,rasp[NMAX];
bool verif[NMAX];

void bfs()
{
    int p=0,u=0;
    int nod;
    int z;
    while(p<=u)
    {
        nod=cd[p];
        z=rasp[nod];
        for(int i=0;i<v[nod].size();i++)
        {
            if(verif[v[nod][i]]==0)
            {
                rasp[v[nod][i]]=z+1;
                verif[v[nod][i]]=1;
                u++;
                cd.push_back(v[nod][i]);
            }
        }
        p++;
    }
}

int main()
{
    fin>>n>>m>>s;
    for(int i=1;i<=m;i++)
    {
        fin>>a>>b;
        if(a!=b)v[a].push_back(b);
    }
    verif[s]=1;
    rasp[s]=0;
    cd.push_back(s);
    bfs();
    for(int i=1;i<=n;i++)
    {
        if(rasp[i]==0&&i!=s)rasp[i]=-1;
        fout<<rasp[i]<<" ";
    }
}