#include <cstdlib>
#include <cmath>
#include <climits>
#include <cfloat>
#include <map>
#include <utility>
#include <set>
#include <iostream>
#include <memory>
#include <string>
#include <vector>
#include <algorithm>
#include <functional>
#include <sstream>
#include <deque>
#include <complex>
#include <stack>
#include <queue>
#include <cstdio>
#include <cctype>
#include <cstring>
#include <ctime>
#include <iterator>
#include <tuple>
#include <bitset>
#include <numeric>
#include <list>
#include <iomanip>
#include <cassert>
#include <array>
#include <tuple>
#include <initializer_list>
#include <unordered_set>
#include <unordered_map>
#include <forward_list>
using namespace std;
using ll = long long;

int gid[100010];
vector<int> g[100010];

int n, m, q;

int a[200010], b[200010];
int c[200010], d[200010];
set<pair<int, int>> con;
int ans[200010];

void merge(int a, int b) {
    if (gid[a] == gid[b]) return;
    // g(a) <- g(b)
    if (g[gid[a]].size() < g[gid[b]].size()) {
        swap(a, b);
    }
    int org_gb = gid[b];
    for (auto &e : g[org_gb]) {
        gid[e] = gid[a];
        g[gid[a]].push_back(e);
    }
    g[org_gb].clear();
    g[org_gb].shrink_to_fit();
}

void markgroup(int a, int x) {
    for (auto &e : g[gid[a]]) {
        ans[e] = x;
    }
}

void solve() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    // cin >> n >> m >> q;
    con.clear();
    memset(ans, 0, sizeof ans);

    for (int i = 0; i < m; i++) {
        cin >> a[i] >> b[i];
        --a[i], --b[i];
    }
    for (int i = 0; i < q; i++) {
        cin >> c[i] >> d[i];
        --c[i], --d[i];
        con.emplace(c[i], d[i]);
    }

    for (int i = 0; i < n; i++) {
        g[i] = { i };
        gid[i] = i;
    }

    for (int i = 0; i < m; i++) {
        if (!con.count(make_pair(a[i], b[i]))) {
            //cout << a[i] << ' ' << b[i] << endl;
            merge(a[i], b[i]);
        }
    }
    markgroup(0, -1);

    for (int i = q - 1; i >= 0; --i) {
        int c = ::c[i], d = ::d[i];
        if (gid[c] == gid[0] || gid[d] == gid[0]) {
            if (gid[c] != gid[0]) markgroup(c, i + 1);
            if (gid[d] != gid[0]) markgroup(d, i + 1);
        }
        if (gid[c] != gid[d]) {
            merge(c, d);
        }
    }

    for (int i = 1; i < n; i++) {
        cout << ans[i] << '\n';
    }
}

int main() {
    while (cin >> n >> m >> q) solve();
}