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#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
typedef long double ld;
inline void debugMode() {
ios::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
#ifndef ONLINE_JUDGE
freopen("bfs.in", "r", stdin);
freopen("bfs.out", "w", stdout);
#endif // ONLINE_JUDGE
}
inline void PrintYes() { cout << "Yes"; }
inline void PrintNo() { cout << "No"; }
const double eps = 1e-7;
const int Nmax = 1e5 + 5;
vector < int > G[Nmax];
bool viz[Nmax];
int dist[Nmax];
void BFS(int nod)
{
queue< int > q;
viz[nod] = true;
q.push(nod);
while(q.size()) {
nod = q.front();
q.pop();
for(auto it: G[nod]) {
if(viz[it] == false) {
viz[it] = true;
q.push(it);
dist[it] = dist[nod] + 1;
}
}
}
}
int main()
{
debugMode();
int n, m, nod;
cin >> n >> m >> nod;
for(int j = 0; j < m; ++j) {
int x, y;
cin >> x >> y;
G[x - 1].push_back(y - 1);
}
BFS(nod - 1);
for(int i = 0; i < n; ++i)
if((i != nod - 1) && dist[i] == 0)
cout << "-1 ";
else
cout << dist[i] << " ";
return 0;
}