Untitled

import os
import sys

class Property():
      
      def __init__(self,prop_dtls,dealer):
          if prop_dtls is None:
              self.prop_dtls = []
          self.dealer = dealer
          if dealer is None:
               self.dealer=[]

    
      def commission(self):
          return self.prop_dtls.price * rate_of_commission/100



def main(list1,list2):
    
    pass



if __name__ == '__main__':
    fptr = open(os.environ['OUTPUT_PATH'], 'w')
 
    nm = raw_input().split()
 
     = int(nm[0])
 
    m = int(nm[1])
 
    clients = []
 
    for _ in xrange(n):
        clients.append(map(int, raw_input().rstrip().split()))
 
    houses = []
 
    for _ in xrange(m):
        houses.append(map(int, raw_input().rstrip().split()))
 
    result = realEstateBroker(clients, houses)
 
    fptr.write(str(result) + '\n')
 
    fptr.close()