# n以上の素数で最小のものを返す
def eratosthenes0(n):
  nu=n+min(n,10**6)
  kouho=set(range(n,nu))
  for x in range(2,int(nu**.5)+1):
    xx=x*(n//x)
    while xx<nu:
      kouho.discard(xx)
      xx+=x
  return min(kouho)
def main(x0,y0):
  if x0>y0:x0,y0=y0,x0
  x1=eratosthenes0(x0)
  y1=eratosthenes0(y0)
  if x0==1 and y0==1:
    return False
  elif x0==1 or y0==1:
    # x0が1
    y1=eratosthenes0(y0+1) # y0より真に大きい素数
    if (y1-y0)%2==0:
      return True
    else:
      return False
  elif x0==2 or y0==2:
    # (2,8)->(2,9) ng
    # (2,8)->(3,8) ng
    return False
  elif x0==x1 and y0==y1:
    return False
  elif x0==x1 or y0==y1:
    # 素数の座標を動かす
    if x0==x1:
      return not main(x0+1,y0)
    else:
      return not main(x0,y0+1)
  else:
    if (x1-x0)+(y1-y0) % 2 == 0:
      return True
    else:
      return False
if __name__=='__main__':
  x,y=map(int,input().split())
  ret=main(x,y)
  if ret:
    print("First")
  else:
    print("Second")