#include <iostream>
#include <fstream>
#include <string.h>
#include <cstdio>
using namespace std;
ifstream f("secv2.in");
ofstream g("secv2.out");
int sum[50001];
int main()
{
    int i,n,k,in,a,x,y,max1,min1,j,x1,y1;
    f>>n>>k;max1=-25001;
    for(i=1;i<=n;i++)
    {f>>a;sum[i]=sum[i-1]+a;}
    for(i=k;i<=n;i++)
    {
        min1=25001;
        for(j=i-k+1;j>=1;j--)
        if(min1>sum[j-1]){min1=sum[j-1]; x=j; y=i;}
        if(max1<sum[i]-min1)
            {max1=sum[i]-min1; x1=x; y1=y;}
    }
    g<<x1<<" "<<y1<<" "<<max1;
    return 0;
}