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

xa, xb = 0, 0
for i in range(N):
    xa = xa ^ A[i]
for i in range(M):
    xb = xb ^ B[i]

if xa > xb:
    xa, xb = xb, xa

if xa == 0 and xb > 0:
    print("Second")
else:
    print("First")