#include <algorithm>
#include <cfloat>
#include <climits>
#include <cmath>
#include <complex>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <functional>
#include <iostream>
#include <map>
#include <memory>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <utility>
#include <vector>
#include <list>

using namespace std;

typedef long long ll;

#define sz size()
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define all(c) (c).begin(), (c).end()
#define rep(i,a,b) for(ll i=(a);i<(b);++i)
#define clr(a, b) memset((a), (b) ,sizeof(a))
#define ctos(d) string(1,d)
#define print(x) cout<<#x<<" = "<<x<<endl;

#define MOD 1000000007

int main() {
  ll n,k,x;
  cin>>n>>k>>x;
  vector<ll> v1;
  rep(i,0,n){
    v1.pb(i+1);
  }
  rep(i,0,x-1){
    ll a,b;
    cin>>a>>b;
    a--;b--;
    swap(v1[a],v1[b]);
  }
  string c,d;
  cin>>c>>d;
  vector<pair<ll,ll> > vp;
  rep(i,0,k-x){
    ll a,b;
    cin>>a>>b;
    vp.pb(mp(a,b));
  }
  reverse(all(vp));
  vector<ll> v2;
  rep(i,0,n){
    ll a;
    cin>>a;
    v2.pb(a);
  }
  rep(i,0,vp.sz){
    swap(v2[vp[i].fi-1],v2[vp[i].se-1]);
  }
  vector<ll> ans;
  rep(i,0,n){
    if(v1[i]!=v2[i])ans.pb(i+1);
  }
  sort(all(ans));
  cout << ans[0] << " " << ans[1] << endl;
  return 0;
}