using System;
using System.Linq;
using System.Collections.Generic;

public class Program
{
    public void Proc() {
        Reader.IsDebug = false;
        int[] inpt = Reader.ReadLine().Trim().Split(' ').Select(a=>int.Parse(a)).ToArray();

        int cupCount = inpt[0];
        int swapCount = inpt[1];
        int target = inpt[2] - 1;

        int[] tyokuzen = new int[cupCount];
        for(int i=0; i<cupCount; i++) {
            tyokuzen[i] = i+1;
        }

        for(int i=0; i<target; i++) {
            inpt = Reader.ReadLine().Trim() .Split(' ').Select(a=>int.Parse(a)-1).ToArray();
            this.Swap(tyokuzen, inpt[0], inpt[1]);
        }

        Reader.ReadLine();

        List<int[]> swList = new List<int[]>();

        for(int i=target+1; i<swapCount; i++) {
            swList.Add(Reader.ReadLine().Split(' ').Select(a=>int.Parse(a)-1).ToArray());
        }

        string[] inptstr = Reader.ReadLine().Trim().Split(' ');
        int[] tyokugo = new int[inptstr.Length];

        for(int i=0;i<inptstr.Length; i++) {
            tyokugo[i] = int.Parse(inptstr[i]);
        }

        for(int i=swList.Count-1; i>=0;i--) {
            Swap(tyokugo, swList[i][0], swList[i][1]);
        }

        List<int> ans = new List<int>();
        for(int i=0; i<tyokuzen.Length; i++) {
            if(tyokuzen[i] != tyokugo[i]) {
                ans.Add(i+1);
                if(ans.Count >= 2) {
                    break;
                }
            }
        }
        Console.WriteLine(string.Join(" ", ans));
        
    }

    private void Swap(int[] arr, int idx1, int idx2) {
        int num = arr[idx1];
        arr[idx1] = arr[idx2];
        arr[idx2] = num;
    }


    public class Reader {
        public static bool IsDebug = true;
        private static System.IO.StringReader SReader;
        private static string InitText = @"






";
        public static string ReadLine() {
            if(IsDebug) {
                if(SReader == null) {
                    SReader = new System.IO.StringReader(InitText.Trim());
                }
                return SReader.ReadLine();
            } else {
                return Console.ReadLine();
            }
        }

    }
    public static void Main(string[] args)
    {
        Program prg = new Program();
        prg.Proc();
    }
}