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#include<fstream>
#include<vector>
#include<queue>
#include<bitset>
#define Nmax 1000099
#define inf 2000000000
using namespace std;
ifstream f("bfs.in");
ofstream g("bfs.out");
int n,m,d[Nmax],x,y,s;
vector<int> G[Nmax];
bitset<Nmax> viz;
queue<int > Q;
void BFS(int s)
{
for(int i=1;i<=n;i++)
{
d[i]=inf;
viz[i]=0;
}
d[s]=0;
viz[s]=1;
Q.push(s);
while(!Q.empty())
{
int node=Q.front();
Q.pop();
for(vector<int> :: iterator it=G[node].begin(); it!=G[node].end(); it++)
if(viz[*it]==0)
{
viz[*it]=1;
d[*it]=d[node]+1;
Q.push(*it);
}
}
}
int main()
{
f>>n>>m>>s;
for(int i=1;i<=m;i++)
{
f>>x>>y;
G[x].push_back(y);
}
BFS(s);
for(int i=1;i<=n;i++)
if(d[i]==inf) g<<-1<<' ';
else g<<d[i]<<' ';
g<<'\n';
f.close();g.close();
return 0;
}