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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("secv2.in");
ofstream fout("secv2.out");
int n,k,x,s,smax=-200000000,i,poz,inc,sf,S;
int main()
{
fin>>n>>k;
for(i=1;i<=n;i++)
{
fin>>x;
S+=x;
if(s<0) s=x, poz=i;
else s+=x;
if(s>=smax&&i-poz>=k) smax=s, inc=poz,sf=i;
}
if(inc==0) inc=1;
if(sf==0) sf=n,smax=S;
fout<<inc<<" "<<sf<<" "<<smax<<" ";
return 0;
}