#include <cstdio>
#include <vector>
#include <memory.h>

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()
{
    freopen("bfs.in", "r", stdin);
    freopen("bfs.out", "w", stdout);

    int i, x, y;
    scanf("%d %d %d ", &N, &M, &Start);
    for (i = 1; i <= M; i++)
    {
        scanf("%d %d ", &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++)
        printf("%d ", Cost[i]);
    printf("\n");

    return 0;
}