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

bool nim(vector<int> a){
	int xsum=0;
	for(auto x:a) xsum^=x;
	return (xsum?true:false);}
	
bool dnim(vector<int> a){
	int xsum=0;
	bool icidake=true;
	for(auto x:a){
		if(x!=1) icidake=false;
		xsum^=x;
	}if(icidake)return (xsum==0?true:false);
	return (xsum?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 f=nim(a),g=dnim(a);
	if(f) cout<<"First\n";
	else if(!g) cout<<"Second\n";
	else if(dnim(a)&&nim(b)) cout<<"First\n";
	else cout<<"Second\n";
	return 0;}