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

using i64 = long long;

int main() {
    cin.tie(nullptr)->sync_with_stdio(false);

    auto solve = [&]() {
        int n, m;
        cin >> n >> m;

        vector<int> a(n), b(m);
        int sa = 0, sb = 0;
        for (int i = 0; i < n; i++) {
            cin >> a[i];
            sa ^= a[i];
        }
        for (int i = 0; i < m; i++) {
            cin >> b[i];
            sb ^= b[i];
        }

        if (a == vector(n, 1)) {
            if (n % 2 == 0) {
                cout << "First" << '\n';
            } else {
                cout << (sb != 0 ? "First" : "Second") << '\n';
            }
        } else {
            cout << (sa != 0 ? "First" : "Second") << '\n';
        }
    };
    
    solve();
    
    return 0;
}