from collections import defaultdict,deque
import sys,heapq,bisect,math,itertools,string,queue,datetime
sys.setrecursionlimit(10**8)
INF = float('inf')
mod = 10**9+7
eps = 10**-7
def inpl(): return list(map(int, input().split()))
def inpl_s(): return list(input().split())

X,Y = inpl()

def is_prime(x):
    if x < 2: return False # 2未満に素数はない
    if x == 2 or x == 3 or x == 5: return True # 2,3,5は素数
    if x % 2 == 0 or x % 3 == 0 or x % 5 == 0: return False # 2,3,5の倍数は合成数

    # ためし割り: 疑似素数(2でも3でも5でも割り切れない数字)で次々に割っていく
    prime = 7
    step = 4
    while prime <= math.sqrt(x):
        if x % prime == 0: return False

        prime += step
        step = 6 - step

    return True

dist_x = 0
X += 1
while True:
	if is_prime(X):
		break
	else:
		dist_x += 1
		X += 1

dist_y = 0
Y += 1
while True:
	if is_prime(Y):
		break
	else:
		dist_y += 1
		Y += 1

if (dist_x + dist_y)%2 == 0:
	print('Second')
else:
	print('First')