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#include<fstream>
using namespace std;
ifstream f("secv2.in");
ofstream g("secv2.out");
int n,k,s[50005],poz[50005],st,dr,sum;
int main()
{
f>>n>>k;
for(int i=1; i<=n; ++i)
{
f>>s[i];
s[i]+=s[i-1];
if(s[i]<s[poz[i-1]])poz[i]=i;
else poz[i]=poz[i-1];
}
sum=s[k];
st=1;
dr=k;
for(int i=k+1; i<=n; i++)
{
if(s[i]-s[poz[i-k]]>sum)
{
sum=s[i]-s[poz[i-k]];
st=poz[i-k]+1;
dr=i;
}
}
g<<st<<" "<<dr<<" "<<sum<<'\n';
return 0;
}