#include <fstream>
#include<vector>
using namespace std;
ifstream in("bfs.in");
ofstream out("bfs.out");
const int N=100000;
vector<int> a[N];
int main()
{
    int n,m,x0,x,y,INF=-1,p,u,q[100001],d[100001];
    in>>n>>m>>x0;
    for(int i=0;i<m;i++){
        in>>x>>y;
        a[x].push_back(y);
    }
    for(int i=1;i<=n;i++)
    {
        d[i]=INF;
    }
    p=0;
    u=-1;
    q[++u]=x0;
    d[x0]=0;
    while(p<=u){
        x=q[p++];
        for(int i=0;i<a[x].size();i++){
            y=a[x][i];
            if(d[y]==INF){
                q[++u]=y;
                d[y]=1+d[x];
            }
        }
    }
    for(int i=1;i<=n;i++)
        out<<d[i]<<" ";
    return 0;
}