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#include <cstdio>
#include <vector>
#include <queue>
using namespace std;
int lg[100009] ,i,n,m,s,x,y;
vector<int> G[100009];
queue<int> q;
bool sel[100009];
vector <int> :: iterator it;
void bfs(int nod)
{
q.push(nod);
sel[nod]=true;
while(!q.empty())
{
x=q.front();
for(it=G[x].begin();it!=G[x].end();++it)
if(!sel[*it])
{
sel[*it];
q.push(*it);
lg[*it]=lg[x]+1;
}
q.pop();
}
}
int main()
{
freopen("bfs.in","r",stdin);
freopen("bfs.out","w",stdout);
scanf("%d%d%d",&n,&m,&s);
for(i=1;i<=m;++i)
{
scanf("%d%d",&x,&y);
G[x].push_back(y);
}
for(i=1;i<=n;++i)
lg[i]=-1;
lg[s]=0;
bfs(s);
for(i=1;i<=n;++i)
printf("%d ",lg[i]);
return 0;
}