#include <stdio.h>
#include <stdlib.h>
int N,M,S;
int a[100001];
int *graf[100001];
int d[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++];
        int i;
        for(i=0;i<d[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];
            }
        }
    }
    int i;
    for(i=1;i<=N;i++)
        printf("%d ",a[i]);
}
int main()
{
    freopen("bfs.in","r",stdin);
    freopen("bfs.out","w",stdout);
    scanf("%d %d %d",&N,&M,&S);
    int i;
    for(i=1;i<=M;i++)
    {
        int from,to;
        scanf("%d %d",&from,&to);
        graf[from]=realloc(graf[from],++d[from]);
        graf[from][d[from]-1]=to;
    }
    bfs();
    return 0;
}