#include <iostream>
#include <fstream>
#include <string.h>
#include <cstdio>
using namespace std;
ifstream f("secventa.in");
ofstream g("secventa.out");
int main()
{
    int summax=-25001,sum=0,i,n,k,in,a,x,y;
    f>>n>>k;in=1;
    for(i=1;i<=n;i++)
    {
        f>>a;
        if(sum+a<0)
        {
            if(sum+a>summax&&i-in+1>=k){summax=sum+a; x=in; y=i;}
            sum=a;
            in=i;
        }
        else
            sum+=a;
        if(sum>summax&&i-in+1>=k){summax=sum; x=in; y=i;}
    }
    if(sum>summax&&i-in+1>=k){summax=sum; x=in; y=i;}
    g<<x<<" "<<y<<" "<<summax;
    return 0;
}