#include <iostream>
#include <fstream>
using namespace std;
int v[50003],s;
int main()
{
    int n,k,x,y,mx,p;
    mx=-int(2e9);
    ifstream f("secv2.in");
    ofstream g("secv2.out");
    f>>n>>k;
    x=1;
    y=k;
    for(int i=1;i<=n;++i)
    {
        f>>v[i];
    }
    for(int i=1;i<=k;++i)
    {
        s+=v[i];
    }
    mx=s; p=y;
    for(int i=k+1;i<=n;++i)
    {
        s+=v[i];
        y++;
        if(s>mx) {mx=s; p=y;}
    }
    s=mx;
    int mx1=s;
    int q;
    while(p-x+1>k && mx-v[x]>=s)
    {
        mx-=v[x];
        x++;
        if(mx>mx1) {mx1=mx; q=x;}
    }
    g<<q<<" "<<p<<" "<<mx1;
    return 0;
}