#include <stdio.h>
#include <string.h>
#include <stdlib.h>
int N,M,S;
int a[100001];
int *graf[100001];
int dim[100001];
void bfs()
{
    int q[200001],inc=0,sf=-1;
    memset(a,-1,sizeof(a));
    q[++sf]=S;
    a[S]=0;
    while(inc<=sf)
    {
        int nod=q[inc++];
        for(int i=0;i<dim[nod];i++)
        {
            if(a[graf[nod][i]]>a[nod]+1 || a[graf[nod][i]]==-1)
            {
                a[graf[nod][i]]=a[nod]+1;
                q[++sf]=graf[nod][i];
            }
        }
    }

    for(int i=1;i<=N;i++)
        printf("%d ",a[i]);
}
void adauga_vecin(int from,int to)
{
    graf[from]=realloc(graf[from],(++dim[from])*sizeof(int));
    graf[from][dim[from]-1]=to;
}
int main()
{
    freopen("bfs.in","r",stdin);
    freopen("bfs.out","w",stdout);
    scanf("%d %d %d",&N,&M,&S);
    for(int i=1;i<=M;i++)
    {
        int from,to;
        scanf("%d %d",&from,&to);
        adauga_vecin(from,to);
    }
    bfs();
    return 0;
}