n, m = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
x = 0
y = 0
for a in A:
    x ^= a
for b in B:
    y ^= b

if all(a == 1 for a in A):
    if sum(A) % 2 == 0 or y > 0:
        print("First")
    else:
        print("Second")
elif x > 0:
    print("First")
else:
    print("Second")