#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("-ffloat-store")
#pragma GCC optimize("-fno-defer-pop")
void err(istream_iterator<string> it) {}
template <typename T, typename... Args>
void err(istream_iterator<string> it, T a, Args... args) {
  cerr << *it << " = " << a << endl;
  err(++it, args...);
}
long long dx[4] = {-1, 0, 0, +1};
long long dy[4] = {0, -1, +1, 0};
const long long LINF = 1e18;
const long long INF = 1e9;
const long long MOD = 1e9 + 7;
long long strtoll(string s) {
  stringstream str(s);
  long long number = 0;
  str >> number;
  return number;
}
string lltostr(long long n) {
  stringstream ss;
  ss << n;
  return ss.str();
}
long long llsqrt(long long x) {
  if (x == 0 || x == 1) return x;
  long long start = 1, end = x / 2, ans;
  while (start <= end) {
    long long mid = (start + end) / 2;
    if (mid * mid == x)
      return mid;
    else if (mid <= x / mid)
      ans = mid, start = mid + 1;
    else
      end = mid - 1;
  }
  return ans;
}
vector<long long> spf;
void sieve(long long size) {
  spf.resize(size + 1);
  for (long long i = 1; i <= size; ++i) spf[i] = i;
  for (long long i = 4; i <= size; i += 2) spf[i] = 2;
  for (long long i = 3; i * i <= size; ++i) {
    if (spf[i] == i) {
      for (long long j = i * i; j <= size; j += i)
        if (spf[j] == j) spf[j] = i;
    }
  }
}
long long power(long long a, long long b, long long m) {
  if (b == 0) return 1;
  if (b == 1) return a % m;
  long long t = power(a, b / 2, m);
  t = (t * t) % m;
  if (b & 1) t = (t * a) % m;
  return t;
}
long long modInverse(long long a, long long m) { return power(a, m - 2, m); }
void fastscan(long long &number) {
  bool negative = false;
  register long long c;
  number = 0;
  c = getchar();
  if (c == '-') {
    negative = true;
    c = getchar();
  }
  for (; (c > 47 && c < 58); c = getchar()) number = number * 10 + c - 48;
  if (negative) number *= -1;
}
long long solve() {
  long long n, m, k;
  cin >> n >> m >> k;
  vector<long long> v(n);
  for (long long i = 0; i < n; i++) cin >> v[i];
  ;
  multiset<long long> s(v.begin(), v.end());
  for (long long i = 0; i < n - k * m; i++) s.erase(s.begin());
  long long sum = 0;
  for (auto it : s) sum += it;
  cout << sum << endl;
  long long x = 1;
  for (long long i = 0; i < n; i++) {
    if (s.find(v[i]) != s.end()) {
      s.erase(s.find(v[i]));
      if (s.size() % m == 0) {
        cout << i + 1 << " ";
        x++;
        if (x == k) exit(0);
      }
    }
  }
}
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  long long t;
  t = 1;
  for (long long i = 1; i <= t; i++) {
    solve();
  }
  return 0;
}
