#include <fstream>
#include <iostream>
#include <vector>
#include <algorithm>
#define DIM 100010
using namespace std;

vector<int> L[DIM];
int d[DIM], v[DIM], c[DIM], T[DIM], sol[DIM], k;

int n, m, s, x, y, i, p, u, nod, vecin;

void drum(int x) {
    if (x!=0) {
        drum(T[x]);
        cout<<x<<" ";
    }
}

int main () {
    ifstream fin ("bfs.in");
    ofstream fout("bfs.out");
    fin>>n>>m>>s;
    for (i=1;i<=m;i++) {
        fin>>x>>y;
        L[x].push_back(y);
        L[y].push_back(x);
    }

    for (i=1;i<=n;i++)
        sort(L[i].begin(), L[i].end());

    c[1] = s;
    v[s] = 1;
    p = 1;
    u = 1;
    d[s] = 1;
    while (p <= u) {
        nod = c[p];
        for (i=0;i<L[ nod ].size(); i++) {
            vecin = L[nod][i];
            if (v[vecin] == 0) {
                c[++u] = vecin;
                d[vecin] = 1 + d[nod];
                v[vecin] = 1;
                T[vecin] = nod; /// t va fi vectorul de tati al arboreluui drumurilor minime
            }
        }
        p++;
    }
    for (i=1;i<=n;i++)
        fout<<-1 + d[i]<<" ";
    int x;
    ///cin>>x;
    /// drumul minim de la x la s

/*
    while (x!=0) {
        ///cout<<x<<" ";
        sol[++k] = x;
        x = T[x];
    }

    for (int i=k;i>=1;i--)
        cout<<sol[i]<<" ";
*/

    ///drum(x);

    return 0;
}