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#include <fstream>
using namespace std;
ifstream in("secv2.in");
ofstream out("secv2.out");
int S[60000], V[50000];
int min(int a, int b)
{
if(a>b)
return b;
else
return a;
}
int main()
{
int n,k,i,Smin,Su,dr,st;
in>>n>>k;
for(i=1; i<=n; i++)
in>>V[i];
S[0]=0;
Smin=25000;
Su=-25000;
for(i=1; i<=n; i++)
S[i]=S[i-1]+V[i];
for(i=k; i<=n; i++)
{
if(Smin > S[i-k])
{
Smin=S[i-k];
st=i-k;
}
if(S[i]-Smin > Su)
{
Su=S[i]-Smin;
dr=i;
}
}
out<<st+1<<" "<<dr<<" "<<Su << '\n';
}