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#include <bits/stdc++.h>
using namespace std;
ifstream fin("secv2.in");
ofstream fout("secv2.out");
typedef long long ll;
ll n,k,v[50005],s[50005],maxim[50005],poz,sol=-1e18;
int main()
{
fin>>n>>k;
for(int i=1;i<=n;i++)
{
fin>>v[i];
s[i]=s[i-1]+v[i];
}
maxim[n+1]=-1e18;
for(int i=n;i>=1;i--)
maxim[i]=max(maxim[i+1],s[i]);
for(int i=1;i<=n;i++)
{
int j=i+k-1;
if(j>n)
break;
ll valmax=maxim[j]-s[i-1];
if(valmax>sol)
{
sol=valmax;
poz=i;
}
}
fout<<poz<<" ";
for(int i=poz;i<=n;i++)
if(i-poz+1>=k&&s[i]-s[poz-1]==sol)
{
fout<<i<<" "<<sol;
return 0;
}
return 0;
}