import sys problem_name = str('calendar') sys.stdin = open(problem_name + ".in", "r") # sys.stdout = open(problem_name+".out", "w") def get_mass(num): arr = [] n = num while n > 0: arr.append(n%10) n = n//10 return arr def bad_char(start, end, bad): counterr = 0 for day in range(start, end): an = get_mass(day) for nu in num: if nu in an: counterr += 1 return counterr n, k = map(int, input().split()) a = list(map(int, input().split())) num = list(map(int, input().split())) print(n,' ',k) counter = 0 a.sort() print(a) lastmas = 0 lastcount = 0 for mounth in a: if lastmas == mounth: counter = counter + lastcount else: counter = counter + lastcount + lastcount + bad_char(lastmas, mounth, num) lastmas = mounth print(counter)