#include <iostream>
#include <fstream>

using namespace std;

ifstream f("secv2.in");
ofstream g("secv2.out");

int x[50005],n,i,mx,k,j,i1,j1;

int main()
{
    f>>n>>k;
    for(i=1; i<=n; i++)
    {
        f>>x[i];
        if(i>0)
            x[i]=x[i-1]+x[i];
    }
    mx=x[k],i1=1,j1=k;
    for(i=1; i<=n; i++)
        for(j=i+k-1; j<=n; j++)
            if(x[j]-x[i-1]>mx)
                mx=x[j]-x[i-1],i1=i,j1=j;
    g<<i1<<" "<<j1<<" "<<mx;
    return 0;
}