#include<stdio.h>
#define NMAX 50000

int main(){
freopen("secv2.in","r",stdin);
freopen("secv2.out","w",stdout);
int n,k,i,j,l,lmax,v[NMAX+1],x,
pi,ps,sl,smax,end;
scanf("%d%d",&n,&k);
v[0]=0;
for(i=1;i<=n;++i){
	scanf("%d",&x);
	v[i]=v[i-1]+x;
	}
lmax=0;smax=0;
for(i=k;i<=n;++i){
	end=i-k;
	for(j=0;j<=end;++j){
		sl=v[i]-v[j];
		if(sl>smax){smax=sl;pi=j+1;ps=i;}
		}
	}
printf("%d %d %d",pi,ps,smax);
return 0;
}