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

// #define int long long
#define rep(i, n) for (long long i = (long long)(0); i < (long long)(n); ++i)
#define reps(i, n) for (long long i = (long long)(1); i <= (long long)(n); ++i)
#define rrep(i, n) for (long long i = ((long long)(n)-1); i >= 0; i--)
#define rreps(i, n) for (long long i = ((long long)(n)); i > 0; i--)
#define irep(i, m, n) for (long long i = (long long)(m); i < (long long)(n); ++i)
#define ireps(i, m, n) for (long long i = (long long)(m); i <= (long long)(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) long long(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>>;
using vtp = vector<tuple<ll,ll,ll>>;
using vb = vector<bool>;

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 = 1e9;
const ll 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 n,m,q;
vll G[100100];
bool visited[100100];
ll res[100100];

void dfs(ll v, ll p, ll c){
  res[v]=c;
  visited[v]=true;
  for(auto nv: G[v]){
    if(nv==p) continue;
    if(visited[nv]) continue;
    dfs(nv,v,c);
  }
}

signed main()
{
  cin.tie( 0 ); ios::sync_with_stdio( false );
  
  cin>>n>>m>>q;
  vpll ab(m);
  rep(i,m){
    ll a,b; cin>>a>>b; a--,b--;
    ab[i]={a,b};
  }
  
  vpll cd(q);
  set<pll> s;
  rep(i,q){
    ll c,d; cin>>c>>d; c--,d--;
    cd[i]={c,d};
    s.insert({c,d});
  }
  
  UnionFind uf(n);
  rep(i,m){
    if(!s.count(ab[i])){
      ll a,b; tie(a,b)=ab[i];
      G[a].push_back(b);
      G[b].push_back(a);
      uf.connect(a,b);
    }
  }
  
  rep(i,n){
    if(uf.isSame(0,i)){
      visited[i]=true;
      res[i]=-1;
    }
  }
  
  rep(i,n){
    if(i) cout<<' ';
    cout<<res[i];
  }
  cout<<endl;
  
  // reverse(all(cd));
  rrep(i,q){
    ll c,d; tie(c,d)=cd[i];
    if(!uf.isSame(c,d)){
      G[c].push_back(d);
      G[d].push_back(c);
      if(uf.isSame(0,c)) dfs(d,-1,i+1);
      if(uf.isSame(0,d)) dfs(c,-1,i+1);
      uf.connect(c,d);
    }
  }
  
  irep(i,1,n){
    cout<<res[i]<<endl;
  }
  
}