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#include <iostream>
#include <fstream>
using namespace std;
int s[50001];
int main()
{
ifstream f("secv2.in");
ofstream g("secv2.out");
int n,i,j=1,sc=-1,smax=-2000000000,k=1,h=1,t;
f>>n>>t;
for(i=1;i<=n;i++)
{
f>>s[i];
if(sc<0)
{
sc=0;
k=i;
}
sc+=s[i];
if(sc>smax && (i-k)>=t)
{
smax=sc;
j=i;h=k;
}
}
g<<h<<" "<<j<<" "<<smax;
f.close();
g.close();
return 0;
}