n,Q = map(int,input().split()) *a, = map(int,input().split()) *b, = map(int,input().split()) L = [0]*Q R = [0]*Q l,r = 0,n-1 def check(v,lst,a,b): if v==a or v==b: return False return not(v-1 in lst and v in lst and v+1 in lst) for i in range(Q)[::-1]: ai = a[i]-1 bi = b[i]-1 lst = [l-1,l-2,r+1,r+2] for ll in range(max(l-1,0),l+3): if check(ll,lst,ai,bi): break for rr in range(min(n-1,r+1),r-3,-1): if check(rr,lst,ai,bi): break L[i], R[i] = ll+1,rr+1 l,r = ll,rr if ll > rr: print("NO") exit() #print(L) #print(R) print("YES") def ok(x,i): return x >= L[i] and x <= R[i] and x != a[i] and x != b[i] v = L[0] print(v) for i in range(Q): for x in [v-1,v,v+1]: if ok(x,i): break else: assert 0 v = x print(v)