#include <cstdio>

using namespace std;
int max1,min1,m1,m2,i,j,k,n,m21,s[50001];
int main()
{
    freopen("secv2.in","r",stdin);
    freopen("secv2.out","w",stdout);
    scanf("%d%d",&n,&k);
    max1=(-25000)*k;
    min1=0;
    m1=0;
    m2=0;
    for(i=1;i<=n;i++)
    {
        scanf("%d",&s[i]);
        s[i]=s[i]+s[i-1];
        if(i>k)
        if(s[i-k]<min1)
        {
            min1=s[i-k];
            m2=i-k;
        }
        if(i>=k)
            if(s[i]-min1>max1)
            {
                max1=s[i]-min1;
                m1=i;
                m21=m2;
            }
    }
    printf("%d %d %d",m21+1,m1,max1);
    return 0;
}