#include <iostream>

using namespace std;
int a[100010],b[100010];
int main(){
    int i,n,m; cin >> n >> m;
    for(i=0;i<n;i++) cin >> a[i];
    for(i=0;i<m;i++) cin >> b[i];
    int mx = 0;
    for(i=0;i<n;i++) mx = max(mx,a[i]);
    if(mx==1){
        int x = 0;
        for(i=0;i<m;i++) x ^= b[i];
        if(n&1){
            if(x==0) cout << "Second\n";
            else cout << "First\n";
        }else{
            if(x==0) cout << "First\n";
            else cout << "Second\n";
        }
    }else{
        int x = 0;
        for(i=0;i<n;i++) x ^= a[i];
        if(x>0){
            cout << "First\n";
        }else{
            cout << "Second\n";
        }
    }
}