#include <iostream>
#include <fstream>
#include <algorithm>  
using namespace std;  
const char in[]="secv2.in";
const char out[]="secv2.out";

const int maxn=50000;

int main()
{
	ifstream fin(in);
	int n,s,k,sum=0,maxsum=-50000,idx=0,end=0 ,begin=0;
	fin>>n>>k;
	for(int i=1;i<=n;i++)
	{
		fin>>s;
		if(sum<0)
		{
			sum=s;
			idx=i;
		}
		else
			sum+=s;
		if(maxsum<sum && i-idx>=k)
		{
			maxsum=sum;
			begin=idx;
			end=i;
		}

	}
    ofstream fout(out);
	fout<<begin<<' '<<end<<' '<<maxsum;
	return 0;
}