mod = 1000000007
eps = 10**-9


def main():
    import sys
    import random
    input = sys.stdin.readline

    N, Q = map(int, input().split())
    A = list(map(int, input().split()))
    B = list(map(int, input().split()))

    ok = [1] * (N+2)
    ok[0] = ok[-1] = 0
    st = set()
    snapshot = [None] * Q
    for i in range(Q-1, -1, -1):
        a, b = A[i], B[i]
        st_new = set()
        for v in st:
            flg = ok[v-1] | ok[v] | ok[v+1]
            if flg:
                ok[v] = 1
                if ok[v-1] == 0 and v-1 != 0:
                    st_new.add(v-1)
                if ok[v+1] == 0 and v+1 != N+1:
                    st_new.add(v+1)
        st = st_new
        st.add(a)
        st.add(b)
        ok[a] = ok[b] = 0
        if i % 100 == 0 and i != 0:
            snapshot[i] = ok[:]
    if sum(ok) == 0:
        print("NO")
    else:
        print("YES")
        assert False


if __name__ == '__main__':
    main()