#include<iostream>
#include<cmath>
using namespace std;

bool isprime(int a){
    if(a%2 == 0)    return false;

    for(int i = 3; i <= sqrt(a); i+=2){
        if(a%i == 0)    return false;
    }

    return true;
}

int main(){
    int y, x;
    cin >> y >> x;

    int toy = y, tox = x;

    while(!isprime(toy)){
        if(y%2 == 0)    toy++;
        else            toy += 2;
    }
    while(!isprime(tox)){
        if(x%2 == 0)    tox++;
        else            tox += 2;
    }

    int hands = toy-y-1 + tox-x+1;

    if(hands % 2 == 0)  cout << "Second" << endl;
    else                cout << "First" << endl;

    return 0;
}