#include<fstream.h>
long n,k,t,i,s=0,b=0,max=-2000000000,p=1,l=1,j=1;
int main()
{ifstream f("secv2.in");
ofstream g("secv2.out");
f>>n>>k;
for(i=1;i<=n;i++)
      {f>>t;
      if(b>s)
            b=s,l=i;
      s+=t;
      if(max<s-b&&i>=l+k)
            max=s-b,p=i;
      if(l<=p)
            j=l;}
g<<j<<" "<<p<<" "<<max;
f.close();
g.close();
return 0;}