#include <fstream>
#include <vector>
using namespace std;

ifstream cin("bfs.in");
ofstream cout("bfs.out");

vector<vector<int> >arr(100001);
int ari[100001];
int vf[100001];

void bfs(int x,int c)
{
    for (int i=0; i<arr[x].size(); i++)
    {
        if (vf[arr[x][i]]==0)
        {
            vf[arr[x][i]]=1;
            ari[arr[x][i]]=c;
            bfs(arr[x][i],c+1);
        }
    }
}

int main()
{
    int n,m,s,a,b;
    cin>>n>>m>>s;
    for (int i=1; i<=m; i++)
    {
        cin>>a>>b;
        arr[a].push_back(b);
    }
    vf[s]=1;
    bfs(s,1);
    ari[s]=0;
    for (int i=1; i<=n; i++)
    {
        if (ari[i]==0&&i!=s) cout<<"-1 ";
        else cout<<ari[i]<<" ";
    }
}