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

def judge(A):
    grundy = 0
    for a in A: grundy ^= a
    return grundy != 0

def judgel(A):
    if A.count(1) == 1:
        return len(A)%2 == 0
    return judge(A)

win = judge(A)
lose = judgel(A)

if not win^lose:
    print("First" if win else "Second")
elif win:
    print("First" if judge(B) else "Second")
else:
    print("Second")