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

bool normal_nim(vector<int> a){
	int xsum=0;
	for(auto t:a) xsum^=t;
	return xsum;}
	
bool toritukusi_nim(vector<int> a){
	int n=a.size();
	int xsum=0;
	bool itiigai=false;
	for(auto x:a){
		if(x!=1) itiigai=true;
		xsum^=x;
	}if(itiigai) return xsum;
	return ((n+1)%2);}

int main(){
	int n,m;cin>>n>>m;
	vector<int> a(n),b(m);
	for(int i=0;i<n;i++) cin>>a[i];
	for(int i=0;i<m;i++) cin>>b[i];
	if(normal_nim(a)) cout<<"First\n";
	else if(toritukusi_nim(a)) cout<<(normal_nim(b)?"First":"Second")<<"\n";
	else cout<<"Second\n";
	return 0;}