import bisect import copy import decimal import fractions import heapq import itertools import math import random import sys import time from collections import Counter,deque,defaultdict from functools import lru_cache,reduce from heapq import heappush,heappop,heapify,heappushpop,_heappop_max,_heapify_max def _heappush_max(heap,item): heap.append(item) heapq._siftdown_max(heap, 0, len(heap)-1) def _heappushpop_max(heap, item): if heap and item < heap[0]: item, heap[0] = heap[0], item heapq._siftup_max(heap, 0) return item from math import gcd as GCD read=sys.stdin.read readline=sys.stdin.readline readlines=sys.stdin.readlines write=sys.stdout.write def Compress(lst): decomp=sorted(list(set(lst))) comp={x:i for i,x in enumerate(decomp)} return comp,decomp N,Q=map(int,readline().split()) A=list(map(int,readline().split())) B=list(map(int,readline().split())) for q in range(Q): A[q]-=1 B[q]-=1 if A[q]>B[q]: A[q],B[q]=B[q],A[q] dp=[[] for q in range(Q+1)] for q in range(1,Q+1): lst=[A[q-1],A[q-1]+1,B[q-1],B[q-1]+1] for l,r in dp[q-1]: if 0