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

bool dp[1001001][2];

int main() {
  freopen("input.txt","r",stdin);
  freopen("output.txt","w",stdout);
  int n,k;
  cin>>n>>k;
  n++;
  memset(dp, false, sizeof dp);
  vector<int> a(k,0);
  for(int i=0;i<k;i++){
    cin>>a[i];
  }
  int l,r;
  cin>>l>>r;
  for(int i=n-1;i>=0;i--){
    for(int st : a){
      if(i + st < n){
        dp[i][0] |= (dp[i + st][1]==false);
      }
    }
    for(int st = l; st <= r; st++){
      if(i + st < n){
        dp[i][1] |= (dp[i + st][0]==false);
      }
    }
  }
  if(dp[0][0]){
    cout<<"First";
  } else {
    cout<<"Second";
  }
  return 0;
}