#define DM 50001
#include <climits>
#include <fstream>
using namespace std;ifstream fi ("secv2.in");ofstream fo ("secv2.out");int n,k,a,s[DM],mn[DM],pos[DM],mx=INT_MIN,lo,hi;int main(){fi>>n>>k;for(int i=1;i<=n;++i){fi>>a;s[i]=s[i-1]+a;if(i>k){if(s[i-k]<mn[i-1]){mn[i]=s[i-k],pos[i]=i-k;}else{mn[i]=mn[i-1],pos[i]=pos[i-1];}}}for(int i=k;i<=n;++i)if(mx<s[i]-mn[i]){mx=s[i]-mn[i];lo=pos[i];hi=i;}fo<<lo+1<<' '<<hi<<' '<<mx;return 0;}