def hantei(N):
    if N < 2:
        return False
    elif N == 2:
        return True
    elif N % 2 == 0:
        return False
    for i in range(int(N**0.5/2)):
        if(N%(3+2*i) == 0):
            return False
    return True

X,Y =map(int,input().split())
X1 =X+1
Y1 =Y+1
while not(hantei(X1)) and X1 !=10**1333:
    X1 +=1
while not(hantei(Y1)) and Y1 !=10**1333:
    Y1 +=1
X1 -= X
Y1 -= Y
if hantei(X) and hantei(Y):
    print("Second")
elif X == 2 or Y == 2:
    print("Second")
elif (X1+Y1)%2 ==0:
    print("Second")
else:
    print("First")