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#include <vector>
#include <queue>
#include <cstdio>
using namespace std;
vector <int> v[100001];
bool f[100001];
int s[100001];
queue <int> q;
void bfs(int nod)
{
f[nod]=1;
q.push(nod);
while (!q.empty()){
nod=q.front();
for (int i=0;i<v[nod].size();i++){
if (f[v[nod][i]]==0){
q.push(v[nod][i]);
f[v[nod][i]]=1;
s[v[nod][i]]=s[nod]+1;
}
}
}
}
int main()
{
freopen("bfs.in","r",stdin);
freopen("bfs.out","w",stdout);
int n,m,x,y,i,start;
scanf("%d%d%d", &n, &m, &start);
for (i=0;i<m;i++){
scanf("%d%d", &x, &y );
v[x].push_back(y);
}
bfs(start);
for (i=1;i<=n;i++){
if (!f[i]) printf("-1 ");
else {
printf("%d ", s[i]);
}
}
return 0;
}