#include <stdio.h>
long a[50002],p1,p2,i,j,n,k;
int main(){
	FILE *f,*g;
	f=fopen("secv2.in","r");
	g=fopen("secv2.out","w");
	fscanf(f,"%ld%ld",&n,&k);
	a[0]=0;
	for(i=1;i<=n;i++){
		fscanf(f,"%ld",&a[i]);
		a[i]+=a[i-1];
	}
	long max=0;
	for(i=1;i<=n-k;i++)
		for(j=i+k;j<=n;j++)
			if(a[j]-a[i]>max){
				max=a[j]-a[i];
				p1=i;
				p2=j;
			}
	fprintf(g,"%ld %ld %ld\n",p1,p2,max);
	fclose(f);
	fclose(g);
	return 0;
}