#include <bits/stdc++.h>

using namespace std;
ifstream f("secv2.in");
ofstream g("secv2.out");
long long n,k,x,p1,p2,w,maxx=-999999,smax,s=-1;
int main()
{
    f>>n>>k;
    for(int i=1;i<=n;i++)
    {
        f>>x;
        if(s>=0)
            s+=x;
        else
        {
            w=i;
            s=x;
        }
        if(s>maxx&&i-w+1>=k)
        {
            maxx=s;
            p1=w;
            p2=i;
        }
        smax+=x;
    }
    if(k==n)
        g<<1<<" "<<n<<" "<<smax;
    else
        g<<p1<<" "<<p2<<" "<<maxx;
    return 0;
}