#include <bits/stdc++.h>   using namespace std;   const int IINF = 0x3f3f3f3f;   const long long LINF = 0x3f3f3f3f3f3f3f3fll;   const double DINF = numeric_limits<double>::infinity();   const long long MOD = 1000000007;   const double EPS = 1e-9;   const int DX[] = {1, 0, -1, 0, 1, -1, 1, -1};   const int DY[] = {0, 1, 0, -1, 1, -1, -1, 1};   long long gcd(long long a, long long b) { return b ? gcd(b, a % b) : a; }   long long sqr(long long x) { return x * x; }   long long sqr(int x) { return (long long)x * x; }   double sqr(double x) { return x * x; }   long double sqr(long double x) { return x * x; }   const int N = 200500;   class SSet {     multiset<int> s1, s2;     long long sum = 0;       public:     void insert(int x) {       if (s2.empty() || (*s2.begin()) > x) {         s1.insert(x);         sum += x;       } else         s2.insert(x);     }     void erase(int x) {       auto it = s1.find(x);       if (it != s1.end()) {         s1.erase(it);         sum -= x;       } else         s2.erase(s2.find(x));     }     long long getSum(int m) {       if (((int)((s1).size())) + ((int)((s2).size())) < m || m < 0) return LINF;       while (((int)((s1).size())) > m) {         auto it = s1.end();         --it;         s2.insert(*it);         sum -= *it;         s1.erase(it);       }       while (((int)((s1).size())) < m) {         auto it = s2.begin();         s1.insert(*it);         sum += *it;         s2.erase(it);       }       return sum;     }   } ss;   int n, m, k;   int costs[N];   bool good1[N], good2[N];   vector<int> c[2][2];   vector<long long> cs[2][2];   int main() {     ios::sync_with_stdio(false);     scanf( %d%d%d , &n, &m, &k);     for (int i = 0; i < n; ++i) scanf( %d , &costs[i]);     int gc;     scanf( %d , &gc);     for (int i = 0; i < gc; ++i) {       int x;       scanf( %d , &x);       --x;       good1[x] = 1;     }     scanf( %d , &gc);     for (int i = 0; i < gc; ++i) {       int x;       scanf( %d , &x);       --x;       good2[x] = 1;     }     for (int i = 0; i < n; ++i) c[good1[i]][good2[i]].push_back(costs[i]);     for (int i = 0; i < 2; ++i)       for (int j = 0; j < 2; ++j) {         sort(c[i][j].begin(), c[i][j].end());         cs[i][j].push_back(0);         for (int x : c[i][j]) cs[i][j].push_back(cs[i][j].back() + x);       }     for (int x : c[0][0]) ss.insert(x);     for (int i = k; i < ((int)((c[0][1]).size())); ++i) ss.insert(c[0][1][i]);     for (int i = k; i < ((int)((c[1][0]).size())); ++i) ss.insert(c[1][0][i]);     long long ans = LINF;     for (int cnt11 = 0; cnt11 <= ((int)((c[1][1]).size())); ++cnt11) {       if (cnt11 >= k)         ans = min(ans, cs[1][1][cnt11] + ss.getSum(m - cnt11));       else if (k - cnt11 <= ((int)((c[1][0]).size())) &&                k - cnt11 <= ((int)((c[0][1]).size())))         ans = min(ans, cs[1][1][cnt11] + cs[0][1][k - cnt11] +                            cs[1][0][k - cnt11] + ss.getSum(m - 2 * k + cnt11));       if (cnt11 != ((int)((c[1][1]).size()))) {         if (k - cnt11 - 1 >= 0 && k - cnt11 - 1 < ((int)((c[0][1]).size())))           ss.insert(c[0][1][k - cnt11 - 1]);         if (k - cnt11 - 1 >= 0 && k - cnt11 - 1 < ((int)((c[1][0]).size())))           ss.insert(c[1][0][k - cnt11 - 1]);       }     }     if (ans >= LINF) ans = -1;     cout << ans <<   n ;     return 0;   }