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#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
ifstream fin("bfs.in");
ofstream fout("bfs.out");
const int NMAX = 1e5;
vector <int> g[NMAX + 5];
int d[NMAX + 5];
int main()
{
int n, m, k, u, v;
fin >> n >> m >> k;
for(int i = 1; i <= n; i++) d[i] = -1;
for(int i = 1; i <= m; i++)
fin >> u >> v,
g[u].push_back(v);
queue <pair <int, int>> q;
q.emplace(k, 0);
while(!q.empty()) {
auto top = q.front();
q.pop();
if(d[top.fi] > -1) continue;
d[top.fi] = top.se;
for(int v : g[top.fi])
if(d[v] == -1)
q.emplace(v, d[top.fi] + 1);
}
for(int i = 1; i <= n; i++)
fout << d[i] << " ";
return 0;
}