# include <cstdio>
 using namespace std;

    const char IN[] = "secv2.in";
	const char OUT[]= "secv2.out";

	int n, k, cit, s, sm=-2000000000, in, sf, aux, i;

    int main (){
		freopen (IN, "r", stdin);
		scanf ("%d%d", &n, &k);
		scanf ("%d", &cit);
		s=cit;
		aux=1;
		if (k==1){
     		sm=cit;
	    	in=1;
		    sf=1;
		}
		for (i=2;i<=n;++i){
			scanf ("%d", &cit);
			/*if (s<0){
				s=cit;
			    aux=i;
			}
			else*/ s+=cit;
			if (sm<s && (i-aux + 1>=k)){
				sm=s;
				in=aux;
				sf=i;
			}
		}
		freopen (OUT, "w", stdout);
		printf ("%d %d %d\n", in, sf, sm);
		return 0;
	}