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#include <fstream>
#include <queue>
#include <list>
#define ll long long
using namespace std;
ifstream cin("bfs.in");
ofstream cout("bfs.out");
const int maxN = 100003;
list <int> a[maxN];
int ok[maxN];
int main()
{
int n, m, s;
cin >> n >> m >> s;
while (m--)
{
int x, y;
cin >> x >> y;
if (x == y)
continue;
a[x].push_back(y);
}
queue <int> q;
q.push(s);
while (!q.empty())
{
int v = q.front();
q.pop();
for (int it : a[v])
if (!ok[it])
{
ok[it] = ok[v] + 1;
q.push(it);
}
}
for (int i = 1; i <= n; i++)
{
if (!ok[i])
ok[i] = -1;
if (i == s)
ok[i] = 0;
cout << ok[i] << " ";
}
}