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#include <iostream>
#include <fstream>
using namespace std;
ifstream f("secv2.in");
ofstream g("secv2.out");
int x[50002];
int main()
{
int i,n,k,s=0,maxi=-2000000,l,j,p,q;
f>>n>>k;
for(i=1;i<=n;i++)
f>>x[i];
for(i=1;i<=k;i++)
s=s+x[i];
maxi=s;
p=1;
q=k;
for(i=k+1;i<=n;i++)
{
s=s+x[i];
if(s>maxi)
{
maxi=s;
q=i;
}
if(x[p]<=0)
{
s=s-x[p];
maxi=s;
p++;
}
}
g<<p<<' '<<q<<' '<<maxi;
return 0;
}