#include <bits/stdc++.h>

//const static double	de_PI	= 3.14159265358979323846;
//const static int	de_MOD	= 1000000007;
//const static int	de_MAX	= 999999999;
//const static int	de_MIN = -999999999;

int main(void) {

	//std::ifstream inf("123.txt");	std::cin.rdbuf(inf.rdbuf());

	int N = 0, K = 0, X = 0;
	std::cin >> N >> K >> X;

	std::vector<int> in(N), out(N);
	std::vector<std::vector<int>> C(K - X, std::vector<int>(2));
	std::iota(in.begin(), in.end(), 1);

	int A = 0, B = 0, temp = 0;
	for (int i = 0; i < X - 1; i++) {
		std::cin >> A >> B;
		temp = in[A - 1];
		in[A - 1] = in[B - 1];
		in[B - 1] = temp;
	}
	
	char x = 0;
	std::cin >> x >> x;
	
	for (int i = K - X - 1; i >= 0; i--) { std::cin >> C[i][0] >> C[i][1]; }
	
	for (int i = 0; i < N; i++) { std::cin >> out[i]; }
	for (int i = 0; i < K - X; i++) {
		temp = out[C[i][0] - 1];
		out[C[i][0] - 1] = out[C[i][1] - 1];
		out[C[i][1] - 1] = temp;
	}

	int i = 0;
	while (in[i] == out[i]) { i++; }

	std::cout << i + 1 << " " << std::distance(out.begin(), std::find(out.begin(), out.end(), in[i])) + 1 << std::endl;


}