#include<cstdio>
using namespace std;
int how,st,dr,mini,maxi,K,i,n,a[100009],s[100009];
int main()
{
freopen("secv2.in","r",stdin);
freopen("secv2.out","w",stdout);
scanf("%d",&n);
scanf("%d",&K);
for(i=1;i<=n;i++)
{
    scanf("%d",&a[i]);
    s[i]=s[i-1]+a[i];
}
mini=0;
maxi=-100000000;
for(i=K;i<=n;i++)
{
    if(s[i-K]<mini){mini=s[i-K];how=i-K;}
    if(s[i]-mini>maxi)
    {
        maxi=s[i]-mini;
        st=how+1;
        dr=i;
    }
}
printf("%d %d %d\n",st,dr,maxi);
return 0;
}