#include<cstdio>
using namespace std;
int i,n,x,s[50010],sum,MAX,k,x1,x2,j;
int main()
{
    freopen("secv2.in","r",stdin);
    freopen("secv2.out","w",stdout);
    scanf("%d%d",&n,&k);
    MAX=-1251000000;
    for (i=1;i<=n;i++)
    {
        scanf("%d",&x);
        s[i]=s[i-1]+x;
    }
    for (i=k;i<=n;i++)
        for (j=0;j<=i-k;j++)
        {
            sum=s[i]-s[j];
            if (sum>MAX ) { MAX=sum;
                           x1=j+1;
                           x2=i;
                            }
        }
    printf("%d %d %d",x1,x2,MAX);
    return 0;
}