#include <bits/stdc++.h>
#include <cstring>
# define pb push_back
using namespace std;
ifstream f("bfs.in");
ofstream g("bfs.out");

int n,m,a,i,fr[100001],val[100001],x,y;
vector <int> v[100001];
queue <int >q;
int main()
{
    f>>n>>m>>a;
    for(i=1; i<=m; i++)
    {
        f>>x>>y;
        v[x].pb(y);
        //v[y].pb(x);
    }

    q.push(a);
    fr[a]=1;
    val[a]=0;
    while(!q.empty())
    {
        x=q.front();
        q.pop();
        for(i=0; i<v[x].size(); i++)
        {
            if(fr[v[x][i]]==0)
            {
                q.push(v[x][i]);
                fr[v[x][i]]=1;
                val[v[x][i]]=val[x]+1;
            }
        }

    }
    for(i=1; i<=n; i++)
    {
        if(val[i]==0&&i!=a)
        {
            val[i]=-1;
        }
        g<<val[i]<<" ";
    }

    return 0;
}