#include<cstdio>
int n,k,t,i,s,b,m=-(1<<31),p=1,l=1,j=1,v;
int main()
{FILE *f=fopen("secv2.in","r"),*g=fopen("secv2.out","w");
fscanf(f,"%d%d",&n,&k);
for(i=1;i<=n;i++)
      {fscanf(f,"%d",&t);
      v+=t;
      if(b>s)
            b=s,l=i;
      s+=t;
      if(m<s-b&&i>=l+k)
            m=s-b,p=i;
      if(l<=p)
            j=l;}
if(k==n)
      fprintf(g,"1 %d %d",n,v);
else
      fprintf(g,"%d %d %d",j,p,m);
return 0;}