#include <iostream>
#include <cstdio>
#include <vector>
#include <algorithm>
#define MAXN 100005
#define EPSILON 1e-12
using namespace std;

typedef long long int ll;
typedef long double Lf;
int N,K,A[MAXN],tmp;
Lf H,M[MAXN],V[MAXN];
Lf lo,hi,mid;
vector <ll> S;

bool eq(Lf a,Lf b){
	return a-b < EPSILON && b-a < EPSILON;
}

bool cmp(int a,int b){
	if(M[a] != M[b]) return M[a] < M[b];
	return V[a] < V[b];
}

bool can(Lf VAL){
	S.clear();
	for(int i=1;i<=N;++i){
		S.push_back((ll)(VAL * V[A[i]] / H));
	}
	tmp = 0;
	for(int i=0;i<(int)S.size();++i)
		if(S[i] > tmp) ++tmp;
	return tmp >= K;
}

int main(){
	cin >> N >> K >> H;
	for(int i=1;i<=N;++i) cin >> M[i];
	for(int i=1;i<=N;++i) cin >> V[i];
	for(int i=1;i<=N;++i) A[i] = i;
	sort(A+1,A+N+1,cmp);
	lo = 1, hi = (Lf)H * (Lf)(K);
	while(!eq(hi,lo)){
		mid = (hi+lo)/2.0;
		if(can(mid)) hi = mid;
		else lo = mid;
	}
	S.clear();
	for(int i=1;i<=N;++i) S.push_back((ll)(hi * V[A[i]] / H));
	tmp = 0;
	for(int i=0;i<(int)S.size();++i)
		if(S[i] > tmp){
			cout << A[i+1] << " ";
			++tmp;
			if(tmp >= K) break;
		}
	cout << endl;
}