#pragma GCC optimize ("O3,inline,omit-frame-pointer,no-asynchronous-unwind-tables,fast-math")
#include <bits/stdc++.h>
#include <unordered_map>
#include <stdlib.h>
using namespace std;
#define rep(i, a, n) for(ll i = a; i < n; i++)
#define rrep(i, a, n) for(ll i = a; i >= n; i--)
#define ll long long
#define pii pair<int, int>
#define pll pair<ll, ll>
//constexpr ll MOD = 1000000007;
constexpr ll MOD = 998244353;
constexpr int IINF = 1001001001;
constexpr ll INF = 1LL<<60;
template<class t,class u> void chmax(t&a,u b){if(a<b)a=b;}
template<class t,class u> void chmin(t&a,u b){if(b<a)a=b;}
 


int main() {
    ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    ll n, m; cin >> n >> m;
    vector<ll> a(n), b(m);
    int flg = 0;
    rep(i,0,n) cin >> a[i];
    rep(i,0,m) cin >> b[i];
    ll xoa = 0, xob = 0;
    rep(i,0,n) if(a[i] != 1) flg = 1; 
    rep(i,0,n) xoa ^= a[i];
    rep(i,0,m) xob ^= b[i];
    if(flg == 0){
        if(xoa == 0 && xob == 0) cout << "First" << endl;
        if(xoa != 0 && xob == 0) cout << "Second" << endl;
        if(xoa == 0 && xob != 0) cout << "First" << endl;
        if(xoa != 0 && xob != 0) cout << "First" << endl;
        return 0;
    }
    if(xoa == 0 && xob == 0) cout << "First" << endl;
    if(xoa != 0 && xob == 0) cout << "First" << endl;
    if(xoa == 0 && xob != 0) cout << "Second" << endl;
    if(xoa != 0 && xob != 0) cout << "First" << endl;
    return 0;
}