#include <iostream>
#include <stdio.h>
#include <vector>
#include <string.h>


FILE *f=fopen("bfs.in","r");
FILE *g=fopen("bfs.out","w");

using namespace std;
vector <int> v[100010];

int cost[100010],s[100010],w[100010],n,m,nod,i,x,y;

struct nod {int info; nod *urm;};
void bfs(int nod)
{
    int i,j,l;
    memset(cost,-1,sizeof(cost));
    l=1;
    cost[nod]=0;
    s[l]=nod;
    for (i=1;i<=l;i++)
        for (j=0;j<w[s[i]];j++)
            if(cost[v[s[i]][j]]==-1)
            {
                s[++l]=v[s[i]][j];
                cost[s[l]]=cost[s[i]]+1;
            }
}

/*void adauga(nod *&ultim,int n)
{
    nod *p=new nod;
    p->info=n;
    p->urm=NULL;
    ultim->urm=p;
    ultim=p;
}
*/



int main()
{
    fscanf(f,"%d%d%d",&n,&m,&nod);
    for(i=1;i<=m;i++)
    {
        fscanf(f,"%d%d",&x,&y);
        v[x].push_back(y);
    }
    for(i=1;i<=n;i++)
    w[i]=v[i].size();
    bfs(nod);
    for(i=1;i<=n;i++)
        fprintf(g,"%d ",cost[i]);


    w[i]=v[i].size();


    fclose(g);
    return 0;
}