#include <stdio.h>
#define NMAX 100000
#define MMAX 1000000

int n, m, p, nr, vf[1 + 2 * MMAX], urm[1 + 2 * MMAX], lst[1 + NMAX], viz[1 + NMAX], s, dist[1 + NMAX];
int ans;

void adauga ( int x, int y ) {
    ++nr;
    vf[nr] = y;
    urm[nr] = lst[x];
    lst[x] = nr;
}

void bfs ( int x, int cost ) {
    dist[x] = cost;
    viz[x] = 1;
    int p = lst[x], y;
    while ( p != 0 ) {
        y = vf[p];
        if ( !viz[y] )
            bfs ( y, cost + 1 );
        p = urm[p];
    }
}

int main() {
    int i, x, y;

    FILE *fin = fopen ( "bfs.in", "r" );
    fscanf ( fin, "%d%d%d", &n, &m, &s );
    for ( i = 1; i <= n; ++i )
        dist[i] = -1;
    for ( i = 1; i <= m; ++i ) {
        fscanf ( fin, "%d%d", &x, &y );
        adauga ( x, y );
    }
    fclose ( fin );

    bfs ( s, 0 );

    FILE *fout = fopen ( "bfs.out", "w" );
    for ( i = 1; i <= n; ++i )
        fprintf ( fout, "%d ", dist[i] );
    fclose ( fout );

    return 0;
}