#include <fstream>
#include <queue>
#include <vector>
#include <cstring>
#define Nmax 100005
using namespace std;
ifstream f("bfs.in"); ofstream g("bfs.out");
int n, m, s;
vector <int> V[Nmax];
queue <int> Q;
bool viz[Nmax];
int nivel[Nmax];
int main()
{   f>>n>>m>>s;
    for(int i=1; i<=m; ++i)
        {   int x,y;
            f>>x>>y; V[x].push_back(y);
        }
    memset(nivel,-1,sizeof(nivel));
    Q.push(s); viz[s]=true; nivel[s]=0;
    while(!Q.empty())
    {   int a=Q.front(); Q.pop();
        for(unsigned int i=0; i<V[a].size(); ++i)
            if(!viz[V[a][i]])
                {viz[V[a][i]]=true; nivel[V[a][i]]=nivel[a]+1;  Q.push(V[a][i]);}
    }
    for(int i=1; i<=n; ++i) g<<nivel[i]<<' ';
    return 0;
}