#include <bits/stdc++.h>
#define rep(i, a, n) for(int i = a; i < n; i++)
#define repb(i, a, b) for(int i = a; i >= b; i--)
#define all(a) a.begin(), a.end()
#define int long long
using namespace std;

signed main(){
    int n, k, x;
    cin >> n >> k >> x;
    vector<int> d(n), pa(x - 1), pb(x - 1), aa(k - x), ab(k - x), c(n);
    rep(i, 0, n) d[i] = i;
    rep(i, 0, x - 1){
        cin >> pa[i] >> pb[i];
        pa[i]--; pb[i]--;
    }
    char s;
    cin >> s >> s;
    rep(i, 0, k - x){
        cin >> aa[i] >> ab[i];
        aa[i]--; ab[i]--;
    }
    rep(i, 0, n){
        cin >> c[i];
        c[i]--;
    }
    rep(i, 0, x - 1){
        swap(d[pa[i]], d[pb[i]]);
    }
    repb(i, k - x - 1, 0){
        swap(c[aa[i]], c[ab[i]]);
    }
    vector<int> ans;
    rep(i, 0, n){
        if(d[i] != c[i]){
            ans.push_back(i);
        }
    }
    cout << ans[0] + 1 << ' ' << ans[1] + 1 << endl;
}