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#include <iostream>
#include <fstream>
#include <string.h>
#include <cstdio>
using namespace std;
ifstream f("secv2.in");
ofstream g("secv2.out");
int n,k,s,i,max1,min1,a,i1,i2,poz;
int main()
{
min1=1000000;max1=-10000000;
f>>n>>k;
for(i=1;i<=k;i++)
{
f>>a;
s+=a;
if(s<min1){min1=s;poz=i;}
}
for(i=k+1;i<=n;i++)
{
f>>a;s+=a;
if(s>max1){max1=s;i1=1;i2=i;}
if(i-poz+1>=k&&s-min1>max1){max1=s-min1; i2=i;i1=poz+1;}
if(s<min1){s=min1; poz=i;}
}
g<<i1<<" "<<i2<<" "<<max1;
return 0;
}