#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
using ll=long long;

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=false;
    for(int i=0;i<n;i++)if(a[i]>1)f=true;
    if(f){
        int x=0;
        for(int i=0;i<n;i++)x=(x^a[i]);
        if(x){
            cout<<"First"<<endl;
        }else{
            cout<<"Second"<<endl;
        }
    }else{
        if(n%2==0){
            cout<<"First"<<endl;
            return 0;
        }else{
            int x=0;
            for(int i=0;i<m;i++)x=(x^b[i]);
            if(x)cout<<"First"<<endl;
            else cout<<"Second"<<endl;
        }
    }
    return 0;
}