#include<bits/stdc++.h>
#define NMAX 100002
using namespace std;
ifstream f("bfs.in");
ofstream g("bfs.out");

vector<int> a[100002];

int viz[NMAX],n,m,s;

void bfs(int s)
{
    queue<int> q;
    int u;
    q.push(s);
    while(!q.empty())
    {
        u=q.front();
        q.pop();
        //for(vector<int>::iterator it=a[u].begin(); it!=a[u].end(); ++it)            if(viz[*it]==0)
        for(int it=0;it<a[u].size();++it)
            if(a[u][it]!=u)
            if(viz[a[u][it]]==0)
            {
                q.push(a[u][it]);

                viz[a[u][it]]=viz[u]+1;
            }
    }
}

int main()
{
    int x,y;
    f>>n>>m>>s;
    for(int i=1;i<=m;i++)
    {
        f>>x>>y;
        a[x].push_back(y);
    }
    bfs(s);
    for(int i=1;i<=n;++i)
    {
        if(i==s)
            g<<0;
        else
        if(viz[i]==0)
            g<<-1;
        else
            g<<viz[i];
        g<<" ";
    }
    return 0;
}