#include <iostream>
#include <fstream>
#include <stdlib.h>
#include <stdio.h>
using namespace std;
int viz[100001],c[100001],d[100001],m,n,p;
int *a[1000001];
void bfs(int x)
{
    int prim,ultim,i;
    prim=ultim=1;
    viz[x]=1;
    c[1]=x;
    while(prim<=ultim)
    {
        x=c[prim];
        for(i=1;i<=a[x][0];i++)
        {
            if(viz[a[x][i]]==0)
            {
                ultim++;
                c[ultim]=a[x][i];
                d[a[x][i]]=d[x]+1;
                viz[a[x][i]]=1;
            }
        }
        prim++;
    }
}
int main()
{
    int i,x,y;
    ifstream f("bfs.in");
    ofstream g("bfs.out");
    f>>n>>m>>p;
    for(i=1;i<=n;i++)
    {
        a[i]=(int *)realloc(a[i],sizeof(int));
        a[i][0]=0;
    }
    for(i=1;i<=m;i++)
    {
        f>>x>>y;
        if(x!=y)
        {
            a[x][0]++;
            a[x]=(int *)realloc(a[x],(a[x][0]+1)*sizeof(int));
            a[x][a[x][0]]=y;
        }
    }
    bfs(p);
    for(i=1;i<=n;i++)
    {
        if(i==p)
        {
            g<<0<<" ";
        }
        else
        {
            if(d[i]==0)
            {
                g<<-1<<" ";
            }
            else
            {
                g<<d[i]<<" ";
            }
        }
    }
    return 0;
}