#include<stdio.h>
#include<stdlib.h>
#define N 100001
typedef struct nod
{long val;
struct nod *leg;}Nod;
typedef struct
{Nod *prim,*ultim;}coada;

void add(long x,coada &q)
{Nod *px=new Nod;
px->val=x;
px->leg=NULL;
if(q.prim==NULL)
      q.prim=q.ultim=px;
else
      {q.ultim->leg=px;
      q.ultim=px;}}

long del(coada &q)
{Nod *t=q.prim->leg;
long x=q.prim->val;
free(q.prim);
q.prim=t;
if(q.prim==NULL)
       q.ultim=NULL;
return x;}

int main()
{long n,m,s,k,i,j,dist[N],c[N];
coada q,l[N];
q.prim=q.ultim=NULL;
freopen("bfs.in","r",stdin);
freopen("bfs.out","w",stdout);
scanf("%ld%ld%ld",&n,&m,&s);
for(i=1;i<=n;i++)
     {dist[i]=N;
     c[i]=0;
     l[i].prim=l[i].ultim=NULL;}
for(k=1;k<=m;k++)
     {scanf("%ld%ld",&i,&j);
     add(j,l[i]);}
c[s]=1;
dist[s]=0;
add(s,q);
while(q.prim!=NULL)
     {i=del(q);
     while(l[i].prim!=NULL)
              {j=del(l[i]);
              if(c[j]==0)
                         {dist[j]=dist[i]+1;
                         c[j]=1;
                         add(j,q);}}}
for(i=1;i<=n;i++)
if(dist[i]==N)
     printf("-1 ");
else
     printf("%ld ",dist[i]);
fclose(stdin);
fclose(stdout);
return 0;}