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

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    int N,M; cin >> N >> M;
    
    int Xa = 0,Xb = 0;
    bool all1 = true;
    vector<int> A(N),B(M);
    for(auto &a : A){
        cin >> a;
        if(a != 1) all1 = false;
        Xa ^= a; 
    }    
    for(auto &b : B) cin >> b,Xb ^= b;

    if(all1){
        if(N%2) cout << "First\n";
        else if(Xb) cout << "First\n";
        else cout << "Second\n";
    }
    else if(Xa) cout << "First\n";
    else{
        if(Xb) cout << "Second\n";
        else cout << "First\n";
    }
}