#include<bits/stdc++.h>
using namespace std;
using i64 = long long;
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int n,s;
i64 k;
cin >> n >> s >> k;
vector<i64> d(n);
for(int i = 1;i < n;i++){
cin >> d[i];
d[i] += d[i - 1];
}
vector<int> v(n);
vector<i64> pref(n);
for(int i = 0;i < n;i++){
cin >> v[i];
pref[i] = v[i];
if(i) pref[i] += pref[i - 1];
}
vector<int> best(n); // what is the best node top put sheild if we want to take node i
vector<int> nx(n); // next empty node if we take index i
for(int i = 0;i < n;i++){
int ind = upper_bound(d.begin(),d.end(),d[i] + k) - d.begin();
nx[i] = ind;
ind --;
best[i] = ind;
}
auto S = [&](int l,int r){
if(l > r) return 0LL;
return pref[r] - (l ? pref[l - 1] : 0);
};
i64 ans = 0;
int mi = 0;
for(int i = 0;i < n;i++){
i64 my = S(i,min(n - 1,i + s - 1));
if(my > ans){
mi = i;
ans = my;
}
}
vector<int> fn;
for(int i = mi;i <= min(mi + s - 1,n - 1);i++){
fn.push_back(i);
}
cout << (int) fn.size() << '\n';
for(int &e : fn) cout << e + 1 << " ";
cout << '\n';
}
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