#include<stdio.h>
#include<vector>
using namespace std;
int N,M,S,x,y,v[100100],fringe[100100],first=1,last=1;
vector <int> a[100100];

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)
    {
        scanf("%d%d",&x,&y);
        a[x].push_back(y);
    }

    for(int i=1;i<=N;++i)
        v[i]=-1;

    fringe[first]=S;
    v[S]=0;

    while(first<=last)
    {
        int x=a[fringe[first]].size();
        for(int i=0;i<x;++i)
        {
            if(v[a[fringe[first]][i]]==-1 || v[a[fringe[first]][i]]>v[fringe[first]]+1)
            {
                ++last;
                fringe[last]=a[fringe[first]][i];
                v[fringe[last]]=v[fringe[first]]+1;
            }
        }
        ++first;
    }

    for(int i=1;i<=N;++i)
        printf("%d ",v[i]);



    return 0;
}