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

int main(){
    int N,M;
    cin >> N >> M;
    vector<int> A(N),B(M);
    int anim = 0,bnim = 0;//Nim数(総xor)を計算
    bool all1 = 1;//Aの全要素が1かどうかの判定
    for(int i = 0;i < N;i++){
        cin >> A[i];
        anim ^= A[i];//^はxor演算子
        if(A[i] != 1)all1 = 0;
    }
    for(int i = 0;i < M;i++){
        cin >> B[i];
        bnim ^= B[i];
    }
    if(all1){
        if(N % 2 == 1){
            if(bnim == 0)cout << "Second" << endl;
            else cout << "First" << endl;
        }
        else{
            cout << "First" << endl;
        }
    }
    else{
        if(anim == 0)cout << "Second" << endl;
        else cout << "First" << endl;
    }

    return 0;
}