#include<vector>
#include<cstdio>
#include<set>
#include<cstdlib>
#include<cstdarg>
#include<cassert>
#include"books.h"
#include <bits/stdc++.h>
using namespace std;
#define pi pair<int, int>
#define pii pair<int, pi>
#define fi first
#define se second
#ifdef _WIN32
#define getchar_unlocked _getchar_nolock
#endif
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
void solve(int N, int K, long long A, int S) {
__int128 X[N + 1];
X[0] = 0;
for(int i = 1; i <= N; i++)X[i] = X[i - 1] + skim(i);
for(int i = K; i <= N; i++){
if(X[i] - X[i - K] >= A && X[i] - X[i - K] <= 2 * A){
vector <int> v;
for(int j = i - K + 1; j <= i; j++)v.push_back(j);
answer(v);
return;
}
}
impossible();
}
