#include<iostream>
using namespace std;
bool isp(int X)
{
	if(X<2)return false;
	if(X==2)return true;
	if(X%2==0)return false;
	for(int i=3;i*i<=X;i+=2)if(X%i==0)return false;
	return true;
}
main()
{
	int X,Y;cin>>X>>Y;
	int L=1,R=1;
	while(!isp(X+L))L++;
	while(!isp(Y+R))R++;
	int T=L+R-2;
	X=isp(X),Y=isp(Y);
	if(X&&Y)T=0;
	if(X&&!Y)T=L-1;
	if(!X&&Y)T=R-1;
	cout<<(T&1?"First":"Second")<<endl;
}