#include<bits/stdc++.h>
using namespace std;
using Int = long long;

Int isprime(Int x){
  if(x<=1) return 0;
  for(Int i=2;i*i<=x;i++)
    if(x%i==0) return 0;
  return 1;
}

//INSERT ABOVE HERE
signed main(){
  Int x,y;
  cin>>x>>y;
  if(isprime(x)&&isprime(y)){
    cout<<"Second"<<endl;
    return 0;
  }
  if(isprime(x+1)&&isprime(y+1)){
    cout<<"Second"<<endl;
    return 0;
  }
  if(x>y) swap(x,y);
  Int k=0;  
  if(isprime(x)) x++,k++;
  if(isprime(y)) y++,k++;
  while(!isprime(x)) x++,k++;
  while(!isprime(y)) y++,k++;
  if(x==2) k--;
  cout<<(k&1?"First":"Second")<<endl;
  return 0;
}