// yukicoder: No.429 CupShuffle
// 2019.6.9 bal4u

#include <stdio.h>

#if 1
#define gc() getchar_unlocked()
#else
#define gc() getchar()
#endif

int in() {   // 非負整数の入力
	int n = 0, c = gc();
	do n = 10 * n + (c & 0xf); while ((c = gc()) >= '0');
	return n;
}

int p[100005], c[100005];
int a[100005], b[100005];

int main()
{
	int i, N, K, X, t, ans[2];

	N = in(), K = in(), X = in();
	for (i = 1; i <= N; i++) p[i] = i;
	for (i = 1; i < X; i++) {
		int x = in(), y = in();
		t = p[x], p[x] = p[y], p[y] = t;
	}
	for (i = 0; i < 4; i++) gc();
	for (i = X+1; i <= K; i++) a[i] = in(), b[i] = in();
	for (i = 1; i <= N; i++) c[i] = in();
	for (i = K; i > X; i--) {
		t = c[a[i]], c[a[i]] = c[b[i]], c[b[i]] = t;
	}
	
	t = 0; for (i = 1; ; i++) {
		if (p[i] != c[i]) {
			ans[t++] = i;
			if (t == 2) break;
		}
	}
	printf("%d %d\n", ans[0], ans[1]);
	return 0;
}