#include<fstream> 
 
using namespace std; 
 
int S[6000001]; 
int main() 
{ 

ifstream in("secv2.in"); 
ofstream out("secv2.out"); 
int n,k; 
in>>n; 
in>>k; 
for(int i=1;i<=n;i++) in>>S[i]; 
int best=-int(2e9),min,idx=0,bgn,end; 
for(int i=1;i<=n;i++) 
{ 
S[i]+=S[i-1]; 
if(best<S[i]-min && i-idx>=k) 
best=S[i]-min,bgn=idx+1,end=i; 
if(min>S[i]&&n-idx-1>k) 
min=S[i],idx=i; 
} 
out<<bgn<<" "<<end<<" "<<best; 
 
return 0; 
}