#include<cstdio>
const int maxn=50001;
int s[maxn],k=0,n=0,x=0,i=0,total=-1250000001,p=0,end=0,begin=1;
int main()
{
    freopen("secv2.in","r",stdin);
    freopen("secv2.out","w",stdout);
    scanf("%d%d",&n,&k);
    for(i=1;i<=n;i++)
    {
        scanf("%d",&x);
        s[i]=s[i-1]+x;
    }
    end=k;x=0;
    for(i=k;i<=n;i++)
    {
        if (s[i]-x>total)
        {
        total=s[i]-x;
        begin=p;
        end=i;
        }
        if (s[i-k+1]<x)
        {
        x=s[i-k+1];
        p=i-k+2;
        }
    }
    printf("%d %d %d\n",begin+1,end+1,total);
    return 0;
}