#include "bits/stdc++.h"
using namespace std;
#define ll long long int
#define rep(i,n) for( int i = 0; i < n; i++ )
#define rrep(i,n) for( int i = n; i >= 0; i-- )
#define REP(i,s,t) for( int i = s; i <= t; i++ )
#define RREP(i,s,t) for( int i = s; i >= t; i-- )
#define dump(x)  cerr << #x << " = " << (x) << endl;
#define INF 2000000000
#define mod 1000000007
#define INF2 1000000000000000000


int main(void)
{
    cin.tie(0);
    ios::sync_with_stdio(false);
	int N, K, X; cin >> N >> K >> X;
	int A[100010];
	rep(i, N) A[i] = i + 1;
	rep(i, X - 1) {
		int a, b;
		cin >> a >> b;
		a--; b--;
		swap(A[a], A[b]);
	}
	char x, y; cin >> x >> y;
	int S[100010], T[100010];
	rep(i, K - X) {
		cin >> S[i] >> T[i];
		S[i]--; T[i]--;
	}
	int C[100010];
	rep(i, N) cin >> C[i];
	RREP(i, K - X - 1, 0) {
		swap(C[S[i]], C[T[i]]);
	}
	int Ax = -1;
	rep(i, N) {
		if (A[i] != C[i])  
			if (Ax == -1) {
				Ax = i;
			}
			else {
				cout << Ax + 1 << " " << i + 1 << endl;
				return 0;
			}
	}

	

    return 0;
}