#include <stdio.h>
#include <atcoder/all>
#include <bits/stdc++.h>
using namespace std;
using namespace atcoder;
using mint = modint998244353;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf32 1000000001
#define Inf64 4000000000000000001


int main(){
	
	int N,H,X;
	cin>>N>>H>>X;
	
	vector<pair<int,int>> t;
	rep(i,2){
		int a;
		cin>>a;
		rep(j,a){
			int pos;
			cin>>pos;
			t.emplace_back(pos,-i*2+1);
		}
	}
	sort(t.begin(),t.end());
	
	int aans = 0;
	if(t.size()>0 && t.back().first==N){
		aans += t.back().second;
		t.pop_back();
	}
	t.emplace_back(0,0);
	t.emplace_back(N,0);
	sort(t.begin(),t.end());
	{
		vector<int> D(t.size()-1);
		rep(i,t.size()-1){
			D[i] = t[i+1].first - t[i].first;
			D[i] = min(D[i],12);
		}
		rep(i,t.size()-1){
			t[i+1].first = t[i].first + D[i];
		}
	}
	
	N = t.back().first;
	H = min(N,H);
	vector<int> cost(N+10);
	rep(i,t.size()){
		cost[t[i].first] = t[i].second;
	}
	
	vector dp(X+5,vector<int>(H+1,-Inf32));
	dp[0][0] = 0;
	rep(i,N){
		dp.push_back(vector<int>(H+1,-Inf32));
		rep(j,H+1){
			dp[1][j] = max(dp[1][j],dp[0][j]+cost[i+1]);
			if(i+X<=N&&j!=H){
				dp[X][j+1] = max(dp[X][j+1],dp[0][j] + cost[i+X]);
			}
		}
		dp.erase(dp.begin());
	}
	int ans = -Inf32;
	rep(i,H+1)ans = max(ans,dp[0][i]);
	//cout<<ans<<' '<<aans<<endl;
	cout<<ans+aans<<endl;
	return 0;
}