#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define rep(i,n) for(int (i)=0;(i)<(n);(i)++)

ll get(ll x) {
  ll p = x+1;
  for(;;p++) {
    bool f = true;
    for(ll k=2; k*k<=p; k++) {
      if(p%k==0) {
	f = false;
	break;
      }
    }
    if(f)
      break;
  }
  return p;
}

int main() {
  ll x,y;
  cin>>x>>y;
  ll p=get(x);
  ll q=get(y);
  if(((x-p)+(y-q))%2==0) {
    cout << "Second"<<endl;
  } else {
    cout << "First" << endl;
  }
  return 0;
}