#include<cstdio>

const int maxn=50001,inf=2>>30;
int s[maxn],k=0,n=0,x=0,i=0,total=-inf,p=0,end=0,begin=1;

int main()
{
    freopen("secv2.in","r",stdin);
    scanf("%d%d",&n,&k);
    for (i=0; i<n; ++i)
    {
        scanf("%d",&x);
        s[i]=s[i-1]+x;
    }
    fclose(stdin);

    end=k-1;
    x=0;
    for (i=k-1; 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;
        }
    }

    freopen("secv2.out","w",stdout);
    printf("%d %d %d\n",begin+1,end+1,total);
    fclose(stdout);

    return 0;
}