source_code: 
  import java.io.File;
  import java.io.IOException;
  import java.io.PrintWriter;
  import java.util.Scanner;
  
  /**
   * @author igor_kz
   */
  public class C35 {
      public static void main(String[] args) throws IOException {
          Scanner in = new Scanner(new File("input.txt"));
          PrintWriter out = new PrintWriter("output.txt");
          int n = in.nextInt() , m = in.nextInt();
          int k = in.nextInt();
          int[] x = new int[k];
          int[] y = new int[k];
          int res = 0;
          for (int i = 0 ; i < k ; i++) {
              x[i] = in.nextInt();
              y[i] = in.nextInt();
          }
          int xx = 1 , yy = 1;
          for (int i = 1 ; i <= n ; i++)
              for (int j = 1 ; j <= m ; j++) {
                  int cnt = Integer.MAX_VALUE;
                  for (int l = 0 ; l < k ; l++) {
                      int time = Math.abs(i - x[l]) + Math.abs(j - y[l]);
                      cnt = Math.min(cnt , time);
                  }
                  if (cnt > res) {
                      res = cnt;
                      xx = i;
                      yy = j;
                  }
                  res = Math.max(res , cnt);
              }
          out.print(xx + " " + yy);
          out.close();
      }
  }
  