#include <cstdio>
#include <vector>
FILE *fin = fopen("bfs.in", "r");
FILE *fout = fopen("bfs.out", "w");
#define maxn 100000
std::vector<int> v[maxn + 1];
bool viz[maxn + 1];
int q[maxn + 1];
int st = 0;
int dr = 0;
int dist[maxn + 1];
inline void add (int t) {
q[dr] = t;
dr++;
viz[t] = 1;
}
inline void del () {
st++;
}
int main()
{
int n, m, s, x, y, rez = 0;
fscanf(fin, "%d%d%d", &n, &m, &s);
for (int i = 1; i <= m; i++) {
fscanf(fin, "%d%d", &x, &y);
v[x].push_back (y);
}
add(s);
while(st <= dr) {
for (auto y : v[q[st]]) {
if (viz[y] != 1) {
add(y);
dist[y] = dist[q[st]] + 1;
}
}
del();
}
for (int i = 1; i <= n; i++) {
if (dist[i] != 0 && i != s)
fprintf(fin, "%d", dist[i]);
else if (i == s)
fprintf(fin, "0");
else
fprintf(fin, "-1");
fprintf(fin, " ");
}
return 0;
}