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#include<fstream>
using namespace std;
int n,smax,st,ps,pd,x,sc,nr,i,k;
ifstream f("secv2.in");
ofstream g("secv2.out");
int main()
{
f>>n>>k;
smax=-2000000000;
st=1;
for(i=1;i<=n;i++)
{
f>>x;
if(sc>=0)
{
sc+=x;
}
else
{
sc=x;
st=i;
}
nr=i-st+1;
if(nr>=k && sc>smax)
{
smax=sc;
ps=st;
pd=i;
}
}
g<<ps<<" "<<pd<<" "<<smax;
f.close();
g.close();
return 0;
}