#include <iostream>
#include <cstdio>
#include <vector>
#include <queue>
#define NMAX 100005

using namespace std;

int N, M, S, nrArce[NMAX];
bool viz[NMAX];
vector <int> G[NMAX];
vector <int>::iterator it;
queue <int> Q;

void read()
{
    scanf("%d %d %d", &N, &M, &S);
    for(int i=1; i<=M; ++i)
    {
        int a, b;
        scanf("%d %d", &a, &b);
        G[a].push_back(b);
    }
}

void bfs()
{
    Q.push(S);
    while(!Q.empty())
    {
        int nod = Q.front();
        Q.pop();
        viz[nod] = true;
        for(it = G[nod].begin(); it != G[nod].end(); ++it)
            if(viz[*it] == false)
            {
                nrArce[*it] = nrArce[nod] + 1;
                Q.push(*it);
            }
    }
}

void print()
{
    for(int i=1; i<=N; ++i)
    {
        if(nrArce[i] == 0 && i != S)
            printf("-1 ");
        else
            printf("%d ", nrArce[i]);
    }
}

int main()
{
    freopen("bfs.in", "r", stdin);
    freopen("bfs.out", "w", stdout);
    read();
    bfs();
    print();
    return 0;
}