#include <fstream>

using namespace std;
int i,n,k,p,p1,p2,sum,x,s[100001];
int main()
{ifstream f("secv2.in");
ofstream g("secv2.out");
f>>n>>k;
for(i=1;i<=n;i++)
    {f>>x;
    s[i]=s[i-1]+x;}
p1=1;
p2=k;
sum=s[k];
for(i=k+1;i<=n;i++)
   {
       if(s[i-k]<s[p])
        p=i-k;
    if(s[i]-s[p]>sum)
    {
        sum=s[i]-s[p];
        p1=p+1;
        p2=i;
    }
    }
g<<p1<<" "<<p2<<" "<<sum;
    return 0;
}