import sys
input = lambda :sys.stdin.readline()[:-1]
ni = lambda :int(input())
na = lambda :list(map(int,input().split()))
yes = lambda :print("yes");Yes = lambda :print("Yes");YES = lambda : print("YES")
no = lambda :print("no");No = lambda :print("No");NO = lambda : print("NO")
#######################################################################

e = (0, 0)

n, m = na()
a = na()
b = na()

x = 0
for i in range(n):
    x ^= a[i]
y = 0
for i in range(m):
    y ^= b[i]

if x != 0:
    assert False
    if y == 0:
        print("Second")
    else:
        print("First")
else:
    # assert False
    if any(x > 1 for x in b):
        if y == 0:
            print("Second")
        else:
            print("First")
    else:
        if m % 2 == 1:
            print("Second")
        else:
            print("First")