#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pi = pair<int, int>;
using pl = pair<ll, ll>;
using vi = vector<int>;
using vl = vector<ll>;
using vpi = vector<pi>;
using vpl = vector<pl>;
#define fur(i, a, b) for(ll i = a; i <= (ll) b; ++i)
#define ruf(i, a, b) for(ll i = a; i >= (ll) b; --i)
#define fr first
#define sc second
#define mp make_pair
#define pb push_back
#define eb emplace_back
#define all(x) (x).begin(),(x).end()
#define rall(x) (x).rbegin(),(x).rend()
#define nl "\n"
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
ll n, s, k;
cin >> n >> s >> k;
ll d[n];
fur(i, 1, n - 1) {
cin >> d[i];
}
ll v[n + 1];
fur(i, 1, n) {
cin >> v[i];
}
ll x[n + 1];
x[1] = 0;
fur(i, 2, n) {
x[i] = x[i - 1] + d[i - 1];
}
// fur(i, 1, n) {
// cout << x[i] << ' ';
// }
// cout << nl;
// fur(i, 1, n) {
// cout << v[i] << ' ';
// }
// cout << nl;
ll res = 0;
ll l = 0, r = 0;
ll sum[n + 1];
sum[0] = 0;
fur(i, 1, n) {
sum[i] = v[i] + sum[i - 1];
}
fur(i, 1, n) {
ll opt = sum[i] - sum[max(0ll, i - s)];
if(opt > res) {
res = opt;
r = i;
l = max(1ll, i - s + 1);
}
}
cout << r - l + 1 << nl;
fur(i, l, r) {
cout << i << ' ';
}
}
