n,m=map(int,input().split())
a=list(map(int,input().split()))
ga=0
for v in a:
	ga^=v
b=list(map(int,input().split()))
gb=0
for v in b:
	gb^=v
if all(v==1 for v in a):
	if n%2:
		print(["Second","First"][gb>0])
	else:
		print(["First","Second"][gb>0])
else:
	print(["Second","First"][ga>0])