from operator import itemgetter from itertools import * from bisect import * from collections import * from heapq import * import sys # input=sys.stdin.buffer.readline input=sys.stdin.readline sys.setrecursionlimit(10**6) int1 = lambda x: int(x)-1 p2D = lambda x: print(*x, sep="\n") def II(): return int(input()) def MI(): return map(int, input().split()) def MI1(): return map(int1, input().split()) def LI(): return list(map(int, input().split())) def LI1(): return list(map(int1, input().split())) def LLI(rows_number): return [LI() for _ in range(rows_number)] def SI(): return input()[:-1] def LLI1(rows_number): return [LI1() for _ in range(rows_number)] dij = [(1, 0), (0, 1), (-1, 0), (0, -1)] n,q=MI() aa=LI() ss=SI() tt=LI() start=[-1]*30 base=0 for k in range(30): pre = -1 for s, a in zip(ss, aa): d=a>>k&1 if pre!=-1: if s=="0":cur=pre&d else:cur=pre|d base+=(pre^cur)<>k&1)^start[k])<