#include <fstream>
#include <vector>

#define maxn 100010

int N, M, L, Start;
std::vector<int> A[maxn];
int G[maxn], S[maxn], Cost[maxn];

void BFS(int nod) {
    int i, j;

    std::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() {
    auto in = std::ifstream{"bfs.in"};
    auto out = std::ofstream{"bfs.out"};

    int i, x, y;

    in >> N >> M >> Start;

    for (i = 1; i <= M; i++) {
        in >> 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++) {
        out << Cost[i] << " ";
    }
    out << "\n";

    return 0;
}