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

A_xor = 0
B_xor = 0
for a in A:
    A_xor ^= a
for b in B:
    B_xor ^= b

def ans(bl):
    if bl:
        print('First')
    else:
        print('Second')

ans((A_xor == 0) == (B_xor == 0))