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#include <bits/stdc++.h>
using namespace std;
ifstream fin("secv2.in");
ofstream fout("secv2.out");
int Max=-99999,Min=99999,n,k,s[50005],i,Start,End,S,a;
int main()
{
fin>>n>>k;
for(i=1; i<=n; i++)
{
fin>>a;
s[i]=s[i-1]+a;
}
for(i=k; i<=n; i++)
if(s[i]>Max)
{
Max=s[i];
End=i;
}
if(k==n)
fout<<1<<' '<<End<<' '<<Max;
for(i=1; i<=End-k; i++)
if(s[i]<Min)
{
Min=s[i];
Start=i+1;
}
S=s[End]-s[Start-1];
fout<<Start<<' '<<End<<' '<<S;
return 0;
}