#include <bits/stdc++.h>

using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
vector <int> v[100005];
int c[100005],viz[100005],d[100005],n;
void BF(int x)
{
    int p,u;
    p=u=1;
    c[u]=x;viz[x]=1;
    d[x]=0;
    while(p<=u)
    {
        x=c[p++];
        for(auto i : v[x])
        {
            if(viz[i]==0)
            {
                viz[i]=1;
                c[++u]=i;
                d[i]=d[x]+1;
            }
        }
    }
}
int main()
{
    int x,y,m,S,i;
    fin>>n>>m>>S;
    for(i=1;i<=m;i++)
    {
        fin>>x>>y;
        v[x].push_back(y);
    }
    BF(S);
    for(i=1;i<=n;i++,fout<<" ")
    {
        if(viz[i]==1)fout<<d[i];
        else fout<<"-1";
    }
    return 0;
}