#include <stdio.h>

int main(){
	long long  s, smax=-1500000000;
	int x[50001], n, k, i, j, p, u;
	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", &x[i]);
	fclose(f);

	for (i=1; i<=n-k+1; i++){
		s=0;
		for (j=i; j<i+k; j++)
			s += x[j];
		if (s>smax) {smax=s; p=i; u=j-1; }
		for (j=i+k; j<=n; j++){
			s += x[j];
			if (s>smax) {smax=s; p=i; u=j; }
			}
		}
	fprintf (g, "%d %d %lld\n", p, u, smax);
	fclose(g);
	return 0;
}