#include <fstream>
using namespace std;
ifstream in ("bfs.in");
ofstream out ("bfs.out");
int a[50000][50000], viz[50000];
int main()
{
    int n, m, s, cod[50000], inc, sf, i, e;
    in >> n >> m >> s;
    for(i=1; i<=n; i++)
    {
        viz[i]=-1;
    }
    viz[s]=0;
    for(i=0; i<m; i++)
    {
        in >> inc >> sf;
        a[inc][sf]=1;
    }
    inc=sf=1;
    cod[inc]=s;
    while(inc<=sf)
    {
            inc++;
            for(i=1; i<=n; i++)
            {
                if(a[cod[inc-1]][i]==1&&viz[i]==-1)
                {
                    sf++;
                    cod[sf]=i;
                    viz[i]=viz[cod[inc-1]]+1;
                }
            }
    }
    for(i=1; i<=n; i++)
    {
        out << viz[i] << " ";
    }
    return 0;
}