#include <bits/stdc++.h>
using namespace std;

// #define int long long
#define rep(i, n) for (int i = (int)(0); i < (int)(n); ++i)
#define reps(i, n) for (int i = (int)(1); i <= (int)(n); ++i)
#define rrep(i, n) for (int i = ((int)(n)-1); i >= 0; i--)
#define rreps(i, n) for (int i = ((int)(n)); i > 0; i--)
#define irep(i, m, n) for (int i = (int)(m); i < (int)(n); ++i)
#define ireps(i, m, n) for (int i = (int)(m); i <= (int)(n); ++i)
#define SORT(v, n) sort(v, v + n);
#define REVERSE(v, n) reverse(v, v+n);
#define vsort(v) sort(v.begin(), v.end());
#define all(v) v.begin(), v.end()
#define mp(n, m) make_pair(n, m);
#define cout(d) cout<<d<<endl;
#define coutd(d) cout<<std::setprecision(10)<<d<<endl;
#define cinline(n) getline(cin,n);
#define replace_all(s, b, a) replace(s.begin(),s.end(), b, a);
#define PI (acos(-1))
#define FILL(v, n, x) fill(v, v + n, x);
#define sz(x) int(x.size())

using ll = long long;
using vi = vector<int>;
using vvi = vector<vi>;
using vll = vector<ll>;
using vvll = vector<vll>;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using vs = vector<string>;
using vpll = vector<pair<ll, ll>>;

template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }

const ll INF = 1e15;
const int MOD = 1e9+7;
const ll LINF = 1e18;

class UnionFind{
private:
  vector<ll> Parent; 
 public:
  UnionFind(ll N){
    Parent = vector<ll>(N, -1);
  }
  
  ll root(ll A){
    if(Parent[A] < 0) return A;
    return Parent[A] = root(Parent[A]);
  }
  
  ll size(ll A){
    return -Parent[root(A)]; 
  }
  
  bool connect(ll A, ll B){
    A = root(A);
    B = root(B);
    if(A == B){
      return false;
    }
    if(size(A) < size(B)) swap(A, B);
    Parent[A] += Parent[B];
    Parent[B] = A;
    return true;
  }
  
  bool isSame(ll A, ll B){
    return root(A) == root(B);
  }
};

ll ans[100005];
bool visited[100005];
vll G[100005];

void dfs(ll v, ll cost){
  if(visited[v] || ans[v]==-1) return;
  visited[v]=true;
  ans[v]=cost;
  for(auto nv: G[v]){
    dfs(nv,cost);
  }
}

signed main()
{
  cin.tie( 0 ); ios::sync_with_stdio( false );
  ll n,m,q; cin>>n>>m>>q;
  set<pll> es;
  vpll v(q);
  set<pll> tabe;
  rep(i,m){
    ll a,b; cin>>a>>b;
    a--,b--;
    es.insert({a,b});
  }
  rep(i,q){
    ll a,b; cin>>a>>b;
    a--,b--;
    es.erase({a,b});
    v[i]={a,b};
  }
  UnionFind uf(n);
  for(auto e: es){
    ll a=e.first, b=e.second;
    uf.connect(a,b);
    G[a].push_back(b);
    G[b].push_back(a);
  }
  
  rep(i,n){
    if(i) if(uf.isSame(0,i)) ans[i]=-1;
  }
  
  rrep(i,q){
    ll a=v[i].first, b=v[i].second;
    uf.connect(a,b);
    G[a].push_back(b);
    G[b].push_back(a);
    if(uf.isSame(0,a)){
      if(ans[a]==0) dfs(a,i+1);
      if(ans[b]==0) dfs(b,i+1);
    }
  }
  
  reps(i,n-1) cout<<ans[i]<<endl;
}