# -*- coding: UTF-8 -*- import sys result = {} while True:      try:         values = sys.stdin.readline().strip().split('、')         c, b = int(values[0]), int(values[1])         for value in values[2:]:             bin_ = value.rjust(8,'0')             totle = 0             for index in range(4):                 totle += int(bin_[index*2:(index+1)*2],16)             key = totle%b             if key not in result:                 result[key] = 0             result[key] += 1         print(sorted(result.items(),key = lambda x:x[1],reverse = True)[0][1])         break     except:         break