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#import<fstream>
#import<vector>
#import<algorithm>
#import<cstring>
#import<queue>
using namespace std;
ifstream cin("bfs.in");
ofstream cout("bfs.out");
vector<vector<int>>a;
vector<int>sol;
void bfs(int x)
{
queue<int>q;
q.push(x);
while(!q.empty())
{
for(auto c:a[q.front()])
{
if(sol[c]==0 && c!=x)
{
sol[c]=sol[q.front()]+1;
q.push(c);
}
}
q.pop();
}
}
main()
{
int n,m,s;
cin>>n>>m>>s;
a.resize(n+1);
sol.resize(n+1);
for(int i=0;i<m;i++)
{
int x,y;
cin>>x>>y;
a[x].push_back(y);
}
bfs(s);
for(int i=1;i<=n;i++)
{
if(!sol[i] && i!=s)
{
sol[i]=-1;
}
cout<<sol[i]<<' ';
}
}