#include <iostream>
#include <fstream>
using namespace std;
ifstream f ("bfs.in");
ofstream g ("bfs.out");
int mat[101][101],a,b,C[101],p,u,viz[101],n,m,X,i,v,s[101];
int main()
{
    f>>n>>m>>X;
    for(i=1;i<=m;i++)
    {
        f>>a>>b;
        mat[a][b]=1;
    }
    viz[X]=1;
    C[1]=X;
    p=1;u=1;
    while(p<=u)
    {
        v=C[p];
        for(i=1;i<=n;i++)
        if(mat[v][i]==1 && viz[i]==0)
        {
            u++;
            C[u]=i;
            viz[i]=1;
            s[i]=s[v]+1;
        }
        p++;
    }
    for(i=1;i<=n;i++)
        if(viz[i]!=0) g<<s[i]<<" ";
        else g<<-1<<" ";
    return 0;
}