#include 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++; cout<<(L+R&1?"First":"Second")<