#include<stdio.h>

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

int S[MAXN], n,k;

int main(void)
{
    int i;
    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]);

    int bestSum = -int(2e9), min = 0, idx, beg, end;
    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",beg,end,bestSum);

    fclose(stdin); fclose(stdout);
    return 0;
}