#include <stdio.h>
#include<fstream>
#include <vector>
using namespace std;
#define maxn 100010
int N, M, L, Start;
vector <int> A[maxn];
int G[maxn], S[maxn], Cost[maxn];
void BFS(int nod)
{
int i, j;
memset(Cost, -1, sizeof(Cost));
L = 1;
Cost[nod] = 0;
S[L] = nod;
for (i = 1; i <= L; i++)
for (j = 0; j < G[S[i]]; j++)
if (Cost[A[S[i]][j]] == -1)
{
S[++L] = A[S[i]][j];
Cost[S[L]] = Cost[S[i]] + 1;
}
}
int main()
{
ifstream fin("bfs.in");
ofstream fout("bfs.out");
int i, x, y;
fin>>N>>M>>Start
for (i = 1; i <= M; i++)
{
fin>>x>>y;
A[x].push_back(y);
}
for (i = 1; i <= N; i++)
G[i] = A[i].size();
BFS(Start);
for (i = 1; i <= N; i++)
fout<<Cost[i]<<" ";
fout<<'\n';
return 0;
}