#include <iostream>
#include <string>
#include <vector>
#include <algorithm>

int main() {
	int n, k, x;

	std::cin >> n >> k >> x;

	std::vector<int> v(n), totyuu(n), c(n);

	for (int i = 0; i < n; i++) {
		v[i] = i + 1;
	}
	for (int i = 0; i < k; i++) {
		std::string a, b;
		std::cin >> a >> b;
		if (a == "?") {
			totyuu = v;
		} else {
			int aa = std::stoi(a) - 1, bb = std::stoi(b) - 1;
			std::swap(v[aa], v[bb]);
		}
	}

	for (int i = 0; i < n; i++) {
		std::cin >> c[i];
	}

	int w1 = -1, w2 = -1;
	for (int i = 0; i < n; i++) {
		//std::cout << v[i] << std::endl;
		if (c[i] != v[i]) {
			if (w1 == -1) {
				w1 = std::find(totyuu.begin(), totyuu.end(), c[i]) - totyuu.begin() + 1;
			} else {
				w2 = std::find(totyuu.begin(), totyuu.end(), c[i]) - totyuu.begin() + 1;
			}
		}
	}

	if (w1 > w2) std::swap(w1, w2);

	std::cout << w1 << " " << w2 << std::endl;
	return 0;
}