#include<stdio.h>
int v[5001],sum[5001];
int main()
{
    freopen("secv2.in","r",stdin);
    freopen("secv2.out","w",stdout);
    int n,i,j,k,sc=0,max=-100000000,p1,p2,p;
    scanf("%d%d",&n,&k);
    for(i=1;i<=n;i++)
    {
        scanf("%d",&v[i]);
        sum[i]=sum[i-1]+v[i];
    }
    sc=-1000000000;
    for(i=k;i<=n;i++)
    {

        if(sc+v[i]<sum[i]-sum[i-k])
        {
            sc=sum[i]-sum[i-k];
            p=i-k+1;
        }
        else
            sc+=v[i];
        if(sc>max)
        {
            max=sc;
            p2=i;
            p1=p;
        }
    }
    printf("%d %d %d",p1,p2,max);
    return 0;
}