#include <fstream>
#include <vector>

using namespace std;

ifstream fin("bfs.in");
ofstream fout("bfs.out");

const int nmax=100000;
vector <int> g[nmax+1];
int d[nmax+1] , q[nmax+1];

int main()
{
    int n,m,s,a,b;
    fin>>n>>m>>s;
    for(int i=1;i<=m;i++)
    {
        int x,y;
        fin>>x>>y;
        g[x].push_back(y);
    }
    for(int i=1;i<=m;i++)
        d[i]=-1;
    d[s]=0;
    q[1]=s;
    a=1;
    b=1;
    while(a<=b)
    {
        int x=q[a];
        a=a+1;
        for(int i=0;i<(int)g[x].size();i++)
        {
            int y=g[x][i];
            if(d[y]==-1)
            {
                q[b+1]=y;
                b+=1;
                d[y]=d[x]+1;
            }
        }
    }
    for(int i=1;i<=n;i++)
        fout<<d[i]<<" ";
    fout<<"\n";
    return 0;
}