#include <bits/stdc++.h>
#define ALL(x) (x).begin(), (x).end()
#define LB(v, x) (int)(lower_bound(ALL(v), x) - (v).begin())
#define UQ(v) sort(ALL(v)), (v).erase(unique(ALL(v)), (v).end())
#define IO ios::sync_with_stdio(false), cin.tie(nullptr);
#define chmax(a, b) (a) = (a) < (b) ? (b) : (a)
#define chmin(a, b) (a) = (a) < (b) ? (a) : (b)
using namespace std;
using ll = long long;
const int INF = 1e9 + 10;
const ll INFL = 4e18;

int main() {
    ll N, M;
    cin >> N >> M;
    vector<ll> A(N), B(M);
    for (ll& a : A) cin >> a;
    for (ll& b : B) cin >> b;

    ll xora = 0, xorb = 0;
    for (ll a : A) xora ^= a;
    for (ll b : B) xorb ^= b;

    if (xorb) {
        puts(xora ? "First" : "Second");
    } else {
        puts(xora ? "Second" : "First");
    }
}