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