#include <bits/stdc++.h>
#define INF 1250000000

using namespace std;

int main()
{
    freopen("secv2.in", "r", stdin);
    freopen("secv2.out", "w", stdout);
    int n, k;
    int raspb, raspf;
    raspb=raspf=-1;
    int raspmax=-INF;

    scanf("%d%d", &n, &k);
    int sc, smax, beg, fin;
    sc=0;
    smax=-INF;
    beg=fin=1;
    int fi=1;
    for(int i=1;i<=n;i++)
    {
        int nr;
        scanf("%d", &nr);
        if(sc<0)
        {
            sc=0;
            fi=i;
        }
        sc+=nr;
        if(sc>smax)
        {
            smax=sc;
            beg=fi;
            fin=i;
            if(fin-beg+1>=k)
            {
                raspb=beg;
                raspf=fin;
                raspmax=smax;
            }
        }
    }
    printf("%d %d %d\n", raspb, raspf, raspmax);

    return 0;
}