#include <fstream>
#include <vector>
#define K 100001
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
int n,m,i,j,x,y,s,f[K],c[K],p,u;
vector <int> v[K];
int main(){
    fin>>n>>m>>s;
    for(i=1;i<=m;i++){
        fin>>x>>y;
        v[x].push_back(y);
    }
    f[s]=1;c[1]=s;
    for(p=u=1;p<=u;p++){
        x=c[p];
        for(i=0;i<v[x].size();i++){
            y=v[x][i];
            if(!f[y]){
                c[++u]=y;
                f[y]=f[x]+1;
            }
        }
    }
    for(i=1;i<=n;i++)
        if(i==s)fout<<"0 ";
        else if(f[i]==0)fout<<"-1 ";
        else fout<<f[i]-1<<" ";
    return 0;
}