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#include <fstream>
using namespace std;
ifstream fin("secv2.in");
ofstream fout("secv2.out");
int n,i,k,v,s[50005],mn,mx,b,e,poz;
int main()
{
fin >> n >> k;
mx=-1000000000;
for (i=1; i<=n; i++)
{
fin >> v;
s[i]=s[i-1]+v;
if (s[i]-mn>mx && i-poz+1>=k)
{
mx=s[i]-mn;
b=poz+1;
e=i;
}
if (mn>s[i])
{
mn=s[i];
poz=i;
}
}
fout << b << " " << e << " " << mx;
fin.close();
fout.close();
return 0;
}