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


namespace tes
{
	class contest
	{
		static void Main(string[] args)
		{
			 
           var input = Console.ReadLine().Split(' ').Select(int.Parse).ToArray();
            int N = input[0];
            int K = input[1];
            int X = input[2];
            var change = new Tuple<int, int>[K];
            var last = new int[N];

            for(int i =0; i < K; i++)
            {
                var tmp = Console.ReadLine().Split(' ').Select(c=>c).ToArray();
                if (tmp[0] == "?") continue;
                change[i] = new Tuple<int, int>(int.Parse(tmp[0]), int.Parse(tmp[1]));
            }
            last = Console.ReadLine().Split(' ').Select(int.Parse).ToArray();

            var start = Enumerable.Range(1,N).ToArray();

            for(int i =0; i<X-1; i++)
            {
                int l = change[i].Item1-1;
                int r = change[i].Item2-1;

                int tmp = start[l];
                start[l] = start[r];
                start[r] = tmp;
            }


            for(int i =0; i<K- X; i++)
            {
                int l = change[K-i-1].Item1 - 1;
                int r = change[K-i-1].Item2 - 1;

                int tmp = last[l];
                last[l] = last[r];
                last[r] = tmp;
            }

            var ans = new List<int>();

            for(int i =0; i< N; i++)
            {
                if (start[i] != last[i]) ans.Add(i+1);
            }

            Console.WriteLine(string.Join(" ", ans));
		}				 
	}
}