#include <iostream>
#include <fstream>
#define NMAX 50010
using namespace std;

#define maxN 50005
#define INF 0x3f3f3f3f

int n , k ,aux , st , dr , m= INF , sol = -INF;
int s[maxN];

int main()
{
    ifstream fin("secv2.in");
    ofstream fout("secv2.out");
    fin>>n>>k;
    for(int i=1;i<=n;i++)
    {
        fin>>s[i];
        s[i]+=s[i-1];
    }
    for(long long i=k;i<=n;i++)
    {
        if(s[i-k]<m)
        {
            m=s[i-k];
            aux=i-k+1;
        }
        if(s[i]-s[aux-1]>sol)
        {
            sol=s[i]-s[aux-1];
            st=aux;
            dr=i;
        }
    }
    fout<<st<<" "<<dr<<" "<<sol;
    return 0;
}