#include<fstream>
using namespace std;
ifstream f("secv2.in"); ofstream g("secv2.out");
int n,k,i,j;
long long s[50004];
int main()
{   f>>n>>k;
	int st=0,dr=k;
	long long smaxk=-2000000000,spmin=2000000000;
    for(i=1;i<=n;++i)
    {   f>>s[i];
        s[i]+=s[i-1];
        if(s[i]<spmin) spmin=s[i], st=i;
        if(s[i]-spmin>smaxk && i-st+1>=k) smaxk=s[i]-spmin, dr=i;
    }
	g<<st+1<<' '<<dr<<' '<<smaxk<<'\n'; g.close(); return 0;
}