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 max(a)==1:
	print(["First","Second"][n%2==1 and gb==0])
else:
	print(["Second","First"][ga>0])