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#include <iostream>
#include <fstream>
using namespace std;
int v[50001];
int main()
{
int i, j,beg,fin, k, n,sc, smax,ini;
ifstream in("secv2.in");
ofstream out("secv2.out");
in>>n>>k;
sc=0;
smax=-9999999;
for(i=1; i<=n; i++)
in>>v[i];
for(i=1; i<=n; i++)
{
if(sc<0)
{
sc=0;
beg=i;
}
sc+=v[i];
if((sc>smax)&&(i-beg>=k))
{
smax=sc;
ini=beg;
fin=i;
}
}
out<<ini<<" "<<fin<<" "<<smax;
return 0;
}