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#include <iostream>
#include <vector>
#include <queue>
#include <fstream>
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
vector <int> l[1000001];
queue <int> q;
int p;
void bfs(int n){
int viz[100001]={0};
q.push(n);
while(!q.empty()){
for(int node:l[q.front()]){
if(viz[node]==0){
q.push(node);
viz[node]=viz[q.front()]+1;
}
}
q.pop();
}
if(viz[p]==0&&p!=n){
fout<<"-1";
return;
}
fout<<viz[p];
}
int main() {
int n,m;
fin>>n>>m>>p;
int x,y;
for(int i=1;i<=m;i++){
fin>>y>>x;
l[x].push_back(y);
}
for(int i=1;i<=n;i++){
bfs(i);
fout<<" ";
}
return 0;
}