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

bool nim(vector<int> a){
	int xsum=0;
	for(auto x:a) xsum^=x;
	return (xsum!=0?true:false);}

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];
	bool itidake=true;
	for(auto x:a) if(x!=1) itidake=false;
	if(itidake){
		if(n%2==0) cout<<"First\n";
		else cout<<(nim(b)?"First":"Second")<<"\n";
	}else cout<<(nim(a)?"First":"Second")<<"\n";
	return 0;}