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#include <iostream>
#include <fstream>
using namespace std;
ifstream f("secv2.in");
ofstream g("secv2.out");
typedef long long ll;
int x[50001],n,k;
void solve()
{
int a,b,c,d;
a=c=1;
b=d=k;
ll maxim,curent;
maxim=curent=0;
for(int i=1;i<=b;i++)
maxim=curent=curent+x[i];
while(b<n)
{
if(b-a==k-1 || x[b+1]>-x[a])
curent+=x[++b];
else
curent-=x[a++];
if(curent>maxim)
{
c=a;
d=b;
maxim=curent;
}
}
g<<c<<' '<<d<<' '<<maxim;
}
int main()
{
f>>n>>k;
for(int i=1;i<=n;i++)
f>>x[i];
solve();
f.close();
g.close();
return 0;
}