#include <stdio.h>
#include <stdlib.h>

int main() {
	FILE *f1 = fopen("secv2.in", "r");
	FILE *f2 = fopen("secv2.out", "w");

	int n, k;
	fscanf(f1, "%d%d", &n, &k);

	int *v = (int *) malloc ((n+1) * sizeof(int));
	int i;
	for(i = 1;i <= n;i++)
		fscanf(f1, "%d", &v[i]);

	int *din = (int *) malloc ((n+1) * sizeof(int));
	int *ind_sf = (int *) malloc ((n+1) * sizeof(int));

	din[n-2] = v[n-2] + v[n-1] + v[n];
	ind_sf[n-2] = n; 
	for(i = n-3;i >= 1;i--) {
		if(v[i] + v[i+1] + v[i+2] > v[i] + din[i+1]) {
			din[i] = v[i] + v[i+1] + v[i+2];
			ind_sf[i] = i+2;
		}
		else {
			din[i] = v[i] + din[i+1];
			ind_sf[i] = ind_sf[i+1];
		}
	}

	int s_max = -1000000, i_max;

	for(i = 1;i <= n-2;i++) {
		if(s_max < din[i]) {
			s_max = din[i];
			i_max = i;
		}
	}

	fprintf(f2, "%d %d %d\n", i_max, ind_sf[i_max], s_max);

	fclose(f1);
	fclose(f2);
	return 0;
}