#include<bits/stdc++.h>
using namespace std;
ifstream F("bfs.in");
ofstream G("bfs.out");
vector<int> v[100001];
int n,m,s,i,j,p,u,q[100001],c[100001];
int main()
{
    for(F>>n>>m>>s;F>>i>>j;v[i].push_back(j));
    for(c[s]=1,q[u++]=s;p<u;++p)
        for(int j:v[q[p]])
            if(!c[j])
                c[j]=c[q[p]]+1,q[u++]=j;
    for(i=1;i<=n;G<<c[i++]-1<<' ');
    return 0;
}