using System;
using System.Linq;
namespace Yuki
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] ss = Console.ReadLine().Split();
            int n = int.Parse(ss[0]);
            int k = int.Parse(ss[1]);
            int x = int.Parse(ss[2]);

            var c = new int[n];
            for (int i = 1; i <= n; i++)
            {
                c[i - 1] = i;
            }

            for (int i = 0; i < x - 1; i++)
            {
                ss = Console.ReadLine().Split();
                int a = int.Parse(ss[0]) - 1;
                int b = int.Parse(ss[1]) - 1;
                int w = c[a];
                c[a] = c[b];
                c[b] = w;
            }

            Console.ReadLine();

            string[][] f = new string[k - x][];
            for (int i = 0; i < k - x; i++)
            {
                f[i] = Console.ReadLine().Split();
            }

            string[] s = Console.ReadLine().Split();
            int[] c2 = s.Select(z => int.Parse(z)).ToArray();

            for (int i = k - x - 1; i >= 0; i--)
            {
                int a = int.Parse(f[i][0]) - 1;
                int b = int.Parse(f[i][1]) - 1;
                int w = c2[a];
                c2[a] = c2[b];
                c2[b] = w;
            }

            int a1 = -1;
            int a2 = -1;
            for (int i = 0; i < n; i++)
            {
                if (c[i] != c2[i])
                {
                    if (a1 == -1)
                    {
                        a1 = i + 1;
                        continue;
                    }
                    a2 = i + 1;
                    break;

                }
            }

            if (a1 > a2)
            {
                Console.WriteLine("{0} {1}", a2, a1);
            }
            else
            {
                Console.WriteLine("{0} {1}", a1, a2);
            }
        }
    }
}