#include<bits/stdc++.h>
using namespace std;
#define int long long

bool IsPrimeNumber(int n){
	if(n == 2 || n == 3)return true;
	if(n%2 == 0 || n%3 == 0|| n <= 4) return false;
	for(int i = 6; (i-1)*(i-1) <= n; i+=6)
		if(n%(i-1) == 0 || n%(i+1) == 0) return false;
	return true;
}

bool huga(int Y, int X, int k){//cout<<Y<<" "<<X<<" "<<k<<endl;int z; cin>>z;
	bool B= !k;
	if(!IsPrimeNumber(Y+1)&&!IsPrimeNumber(X))
		if(huga(Y+1,X,!k)==k)B=k;
	if(!IsPrimeNumber(X+1)&&!IsPrimeNumber(Y))
		if(huga(Y,X+1,!k)==k)B=k;
	return B;
}

bool hoge(int Y, int X){
	int tempa = 0, tempb=0;
	while(!IsPrimeNumber(++X))
		tempa++;
	while(!IsPrimeNumber(++Y))
		tempb++;
	//cout<<tempa<<" "<<tempb<<endl;
	return (tempa+tempb)%2;
}

signed main(){
	int Y, X;
	//for(int i = 1; i <= 100; i++)
	//	if(IsPrimeNumber(i))cout<<i<<endl;
	cin>>Y>>X;
	
	cout<<(hoge(Y,X)?"First":"Second")<<endl;
	//cout<<(huga(Y,X,1)?"First":"Second")<<endl;
	
	return 0;
}