#include "iostream"
using namespace std;

int N, K, X;
int place[100001];
int last[100001];
char box;
int num;
int change[100001][2];
int ans[2];

int main() {
	cin >> N >> K >> X;
	for (int i = 1; i <= N; i++) {
		place[i] = i;
	}
	for (int i = 1; i <= K; i++) {
		if (i != X) {
			cin >> change[i][0] >> change[i][1];
		}
		else cin >> box >> box;
	}
	for (int i = 1; i <= N; i++) {
		cin >> last[i];
	}
	for (int i = 1; i < X; i++) {
		num = place[change[i][0]];
		place[change[i][0]] = place[change[i][1]];
		place[change[i][1]] = num;
	}
	for (int i = K; i > X; i--) {
		num = last[change[i][0]];
		last[change[i][0]] = last[change[i][1]];
		last[change[i][1]] = num;
	}
	num = 0;
	for (int i = 1; i <= N; i++) {
		if (place[i] != last[i])ans[num++] = i;
	}
	if (ans[0] > ans[1])cout << ans[1] << " " << ans[0] << "\n";
	else cout << ans[0] << " " << ans[1] << "\n";
	return 0;
}