#include <fstream>

using namespace std;
int n,i,k,poz,s[50001],a[50001],pi,sum,mini,maxi,p;
int main()
{ifstream f("secventa2.in");
ofstream g("secventa2.out");
f>>n>>k;
for(i=1;i<=n;i++)
    {f>>a[i];
    s[i]=s[i-1]+a[i];
    if(s[i]>maxi)
        poz=i;
    }
maxi=-2000000000;mini=0;p=1;
a[poz-k+1]=s[poz]-s[poz-k];
    for(i=1;i<=poz-k+1;i++)
    {
        sum=sum+a[i];
        if(maxi<sum-mini){ maxi=sum-mini; pi=p;}
        if(sum<mini){ mini=sum; p=i+1; }
    }
g<<pi<<" "<<poz<<" "<<maxi;
    return 0;
}