#include<stdio.h>

#define MAXN 50010
#define Max(a, b) (a) > (b) ? (a) : (b)

int S[MAXN],n,k;

int main()
{
    int i,bestSum = 0,min,idx,beg,end;
    freopen("secv2.in","r",stdin);
    freopen("secv2.out","w",stdout);
    
    scanf("%d%d",&n,&k);
    for(i = 1; i <= n; i++) scanf("%d",&S[i]);

    min = 0,beg = 1, end = k;
    for(i = 1; i <= k; i++) bestSum += S[i];
    for(i = 1; i <= n; i++)
    {
        S[i] += S[i - 1];
        if (bestSum < S[i] - min && i-idx+1 >= k)
            bestSum = S[i] - min, beg = idx + 1, end = i;
        if (min > S[i])
            min = S[i], idx = i;
    }
    
    printf("%d %d %d\n",beg,end,bestSum);
    fclose(stdin); fclose(stdout);
    return 0;
}