#include <cstdio>
#include <vector>
#include <queue>
using namespace std;
vector <int> g[100001];
int sol[100001], q[100001], S;
bool sel[100001];
void bfs (void)
{
    int i, nod, y, p=1, r=1;
    q[1]=S; sel[S]=true; sol[S]=0;
    while (p<=r)
    {
        nod=q[p];
        p++;
        for (i=0; i<g[nod].size(); i++)
        {
            y=g[nod][i];
            if (!sel[y])
            {
                sol[y]=sol[nod]+1;
                q[++r]=y;
                sel[y]=true;
            }
        }
    }
}
int main()
{
    int n, m, i, x, y;
    freopen("bfs.in","r",stdin);
    freopen("bfs.out","w",stdout);
    scanf("%d%d%d",&n,&m,&S);
    for (i=1; i<=m; i++)
    {
        scanf("%d%d",&x,&y);
        g[x].push_back(y);
    }
    for (i=1; i<=n; i++) sol[i]=-1;
    bfs();
    for (i=1; i<=n; i++) printf("%d ",sol[i]);
    return 0;
}