#include <iostream>
#include <fstream>
using namespace std;
int v[50003],s;
int main()
{
    int n,k,a,x,y,mx,mx1,p,mx2;
    mx2=mx1=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;}
    }
    while(p-x+1>k && mx-v[x]>=mx)
    {
        mx-=v[x];
        x++;
    }
    g<<x<<" "<<p<<" "<<mx;
    return 0;
}