#include <cstdio>
int a[50005],n,k,i,ls,ld,p=1;
long long s[50005];
int main(){
    freopen("secv2.in","r",stdin);
    freopen("secv2.out","w",stdout);
    scanf("%d %d",&n,&k);
    for (i=1;i<=n;i++) scanf("%d",&a[i]);
    ls=1;ld=k;s[0]=0;
    for (i=1;i<=n;i++) s[i]=s[i-1]+a[i];
    for (i=k+1;i<=n;i++)
     {if (s[i]-s[i-k]>s[i]-s[p-1])
        p=i-k+1;
      if (s[i]-s[p-1]>s[ld]-s[ls-1]) {ls=p;
                                      ld=i;};
       }
    printf("%d %d %lld",ls,ld,s[ld]-s[ls-1]);
    return 0;
}