#include <bits/stdc++.h>
#define NMAX 50005
using namespace std;
ifstream fin("secv2.in");
ofstream fout("secv2.out");
deque< int > deq;
int n,k,ct,p,u;
int s[NMAX];
int main()
{
    fin>>n>>k;
    for(int i=1;i<=n;++i)
    {
        int x;
        fin>>x;
        s[i]=s[i-1]+x;

    }
    int mx=s[k];
    p=1,u=k;
    int mn=0;
    for(int i=1;i<=n-k;++i)
    {
        mn=min(mn,s[i]);
        if(mn==s[i])p=i+1;
        if(s[i+k]-mn>mx)
        {
            mx=s[i+k]-mn;
            u=i+k;
        }

    }
    fout<<p<<" "<<u<<" "<<mx;
    return 0;
}