#include "bits/stdc++.h"

#define debug(x) cout<<#x<<": "<<x<<endl
#define rep(i,n) for (int i=0;i<(n);i++)
#define FOR(i,a,b) for (int i=(a);i<=(b);i++)
#define all(a) (a).begin(),(a).end()
using namespace std;
typedef vector<int> VI;
typedef vector<vector<int>> VVI;
typedef long long ll;


void solve() {
#ifdef _WIN32
	istream &cin = ifstream("input.txt");
#endif

	int n, k, x;
	cin >> n >> k >> x;

	VI v(n), v2(n);
	vector<pair<int, int>> sw(k - x);
	rep(i, n) v[i] = i;
	rep(i, x - 1) {
		int a, b;
		cin >> a >> b;
		a--; b--;
		swap(v[a], v[b]);
	}
	char tmp;
	cin >> tmp >> tmp;

	rep(i, k - x) {
		int a, b;
		cin >> a >> b;
		a--; b--;
		sw[i] = {a, b};
	}
	rep(i, n) {
		cin >> v2[i];
		v2[i]--;
	}

	int len = sw.size();
	rep(i, k - x) {
		swap(v2[sw[len - i - 1].first], v2[sw[len - i - 1].second]);
	}
	VI ans(0);
	rep(i, n) if (v[i] != v2[i]) ans.push_back(i);
	cout << ans[0] + 1 << " " << ans[1] + 1 << endl;
}




int main() {
	cin.tie(0);
	ios::sync_with_stdio(false);


	solve();
	system("PAUSE");
	return 0;
}