#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=-2000000000;
	for(i=2;i<=n-k+1;i++)
		for(j=i+k-1;j<=n;j++){
			long x=a[j]-a[i-1];
			if(x>max){
				max=x;
				p1=i;
				p2=j;
			}
		}
	fprintf(g,"%ld %ld %ld\n",p1,p2,max);
	fclose(f);
	fclose(g);
	return 0;
}