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#include <fstream>
#include <queue>
#include <vector>
using namespace std;
ifstream cin("bfs.in");
ofstream cout("bfs.out");
int n,m,s,x,y;
const int NMAX = 1e5+1;
vector <int> g[NMAX];
int viz[NMAX],ans[NMAX];
void read()
{
cin>>n>>m>>s;
while(m--)
{
cin>>x>>y;
g[x].push_back(y);
}
}
queue <int> q;
void bfs(int nod)
{
viz[nod]=1;
q.push(nod);
while(!q.empty())
{
int first = q.front();
for(auto it:g[first])
{
if(!viz[it])
{
viz[it]=1;
ans[it]=ans[first]+1;
q.push(it);
}
}
q.pop();
}
}
void afisare(int s)
{
for(int i=1;i<=n;i++)
cout<<(ans[i]==0 && i!=s?-1:ans[i])<<" ";
}
int main()
{
read();
bfs(s);
afisare(s);
return 0;
}