import std.algorithm, std.container, std.conv, std.math, std.range, std.typecons, std.stdio, std.string;

auto rdsp(){return readln.splitter;}
void pick(R,T)(ref R r,ref T t){t=r.front.to!T;r.popFront;}
void readV(T...)(ref T t){auto r=rdsp;foreach(ref v;t)pick(r,v);}

void main()
{
  auto p = primes(10^^5);

  int y, x; readV(y, x);

  if (y == 2 || x == 2) {
    writeln("Second");
    return;
  }

  auto isPrime(int n)
  {
    if (n == 1) return false;

    foreach (pi; p) {
      if (pi > n.nsqrt) break;
      if (n%pi == 0) return false;
    }

    return true;
  }

  auto nextPrime(int n)
  {
    ++n;
    for (;; ++n) if (isPrime(n)) return n;
    assert(0);
  }

  auto yp = isPrime(y), xp = isPrime(x);
  if (yp && xp) {
    writeln("Second");
    return;
  }

  auto ny = nextPrime(y), nx = nextPrime(x);
  auto t = (ny-y)+(nx-x);
  writeln(t%2 == 0 ? "Second" : "First");
}

pure T[] primes(T)(T n)
{
  import std.algorithm, std.bitmanip, std.conv, std.range;

  auto sieve = BitArray();
  sieve.length((n+1)/2);
  sieve = ~sieve;

  foreach (p; 1..((nsqrt(n)-1)/2+1))
    if (sieve[p])
      for (auto q = p*3+1; q < (n+1)/2; q += p*2+1)
        sieve[q] = false;

  auto r = sieve.bitsSet.map!(to!T).map!("a*2+1").array;
  r[0] = 2;

  return r;
}

pure T nsqrt(T)(T n)
{
  import std.algorithm, std.conv, std.range, core.bitop;
  if (n <= 1) return n;
  T m = T(1) << (n.bsr/2+1);
  return iota(1, m).map!"a*a".assumeSorted!"a <= b".lowerBound(n).length.to!T;
}